Papers - ICHIKI, Kiyotomo
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Observational constraints on interactions between dark energy and dark matter with momentum and energy transfers Reviewed International coauthorship
Xiaolin Liu, Shinji Tsujikawa, and Kiyotomo Ichiki
Physical Review D Vol. 109 ( 043533 ) 2024.2
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Probing the Mass Relation between Supermassive Black Holes and Dark Matter Halos at High Redshifts by Gravitational Wave Experiments Reviewed
Furusawa, Kazuya ; Tashiro, Hiroyuki ; Yokoyama, Shuichiro ; Ichiki, Kiyotomo
The Astrophysical Journal Vol. 959 ( 2 ) page： id.117 2023.12
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Evolution of the mass relation between supermassive black holes and dark matter halos across the cosmic time Reviewed International coauthorship
Bansal, Aryan; Ichiki, Kiyotomo; Tashiro, Hiroyuki; Matsuoka, Yoshiki
Monthly Notices of the Royal Astronomical Society Vol. 523 ( 3 ) page： 3840 - 3847 2023.8
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Murokoshi, T; Chinone, Y; Nashimoto, M; Ichiki, K; Hattori, M
ASTROPHYSICAL JOURNAL LETTERS Vol. 949 ( 2 ) 2023.6
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Impact of dark matter-baryon relative velocity on the 21-cm forest Reviewed International coauthorship
Shimabukuro, Hayato; Ichiki, Kiyotomo; Kadota, Kenji
Physical Review D Vol. 107 ( 12 ) page： article id.123520 2023.6
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Constraints on the phase transition of early dark energy with the CMB anisotropies Reviewed International coauthorship
Hayashi, Shintaro ; Minoda, Teppei ; Ichiki, Kiyotomo
Journal of Cosmology and Astroparticle Physics Vol. 2023 ( 05 ) page： id.032 2023.5
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Validating dark energy models using the polarized Sunyaev-Zel'dovich effect with large-angle CMB temperature and E -mode polarization anisotropies Reviewed
Kondo, Hiroto ; Ichiki, Kiyotomo ; Tashiro, Hiroyuki ; Hasegawa, Kenji
Physical Review D Vol. 107 ( 10 ) page： article id.103508 2023.5
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Probing cosmic inflation with the LiteBIRD cosmic microwave background polarization survey Reviewed International coauthorship
Allys, E; Arnold, K; Aumont, J; Aurlien, R; Azzoni, S; Baccigalupi, C; Banday, AJ; Banerji, R; Barreiro, RB; Bartolo, N; Bautista, L; Beck, D; Beckman, S; Bersanelli, M; Boulanger, F; Brilenkov, M; Bucher, M; Calabrese, E; Campeti, P; Carones, A; Casas, FJ; Catalano, A; Chan, V; Cheung, K; Chinone, Y; Clark, SE; Columbro, F; D'Alessandro, G; De Bernardis, P; de Haan, T; de la Hoz, E; De Petris, M; Della Torre, S; Diego-Palazuelos, P; Dobbs, M; Dotani, T; Duval, JM; Elleflot, T; Eriksen, HK; Errard, J; Essinger-Hileman, T; Finelli, F; Flauger, R; Franceschet, C; Fuskeland, U; Galloway, M; Ganga, K; Gerbino, M; Gervasi, M; Génova-Santos, RT; Ghigna, T; Giardiello, S; Gjerlow, E; Grain, J; Grupp, F; Gruppuso, A; Gudmundsson, JE; Halverson, NW; Hargrave, P; Hasebe, T; Hasegawa, M; Hazumi, M; Henrot-Versillé, S; Hensley, B; Hergt, LT; Herman, D; Hivon, E; Hlozek, RA; Hornsby, AL; Hoshino, Y; Hubmayr, J; Ichiki, K; Iida, T; Imada, H; Ishino, H; Jaehnig, G; Katayama, N; Kato, A; Keskitalo, R; Kisner, T; Kobayashi, Y; Kogut, A; Kohri, K; Komatsu, E; Komatsu, K; Konishi, K; Krachmalnicoff, N; Kuo, CL; Lamagna, L; Lattanzi, M; Lee, AT; Leloup, C; Levrier, F; Linder, E; Luzzi, G; Macias-Perez, J; Maciaszek, T; Maffei, B; Maino, D; Mandelli, S; Martínez-González, E; Masi, S; Massa, M; Matarrese, S; Matsuda, FT; Matsumura, T; Mele, L; Migliaccio, M; Minami, Y; Moggi, A; Montgomery, J; Montier, L; Morgante, G; Mot, B; Nagano, Y; Nagasaki, T; Nagata, R; Nakano, R; Namikawa, T; Nati, F; Natoli, P; Nerval, S; Noviello, F; Odagiri, K; Oguri, S; Ohsaki, H; Pagano, L; Paiella, A; Paoletti, D; Passerini, A; Patanchon, G; Piacentini, F; Piat, M; Pisano, G; Polenta, G; Poletti, D; Prouvé, T; Puglisi, G; Rambaud, D; Raum, C; Realini, S; Reinecke, M; Remazeilles, M; Ritacco, A; Roudil, G; Rubino-Martin, JA; Russell, M; Sakurai, H; Sakurai, Y; Sasaki, M; Scott, D; Sekimoto, Y; Shinozaki, K; Shiraishi, M; Shirron, P; Signorelli, G; Spinella, F; Stever, S; Stompor, R; Sugiyama, S; Sullivan, RM; Suzuki, A; Svalheim, TL; Switzer, E; Takaku, R; Takakura, H; Takase, Y; Tartari, A; Terao, Y; Thermeau, J; Thommesen, H; Thompson, KL; Tomasi, M; Tominaga, M; Tristram, M; Tsuji, M; Tsujimoto, M; Vacher, L; Vielva, P; Vittorio, N; Wang, W; Watanuki, K; Wehus, IK; Weller, J; Westbrook, B; Wilms, J; Winter, B; Wollack, EJ; Yumoto, J; Zannoni, M
Progress of Theoretical and Experimental Physics Vol. 2023 ( 4 ) 2023.4
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Boosting the 21 cm forest signals by the clumpy substructures Reviewed International coauthorship
Kadota, Kenji ; Villanueva-Domingo, Pablo ; Ichiki, Kiyotomo ; Hasegawa, Kenji ; Naruse, Genki
Journal of Cosmology and Astroparticle Physics Vol. 2023 ( 03 ) page： id.017 2023.3
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Extended delta-map: A map-based foreground removal method for CMB polarization observations Reviewed
Minami, Yuto and Ichiki, Kiyotomo
Progress of Theoretical and Experimental Physics Vol. 2023 ( 3 ) page： id.033E01 2023.3
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Probing the Early History of Cosmic Reionization by Future Cosmic Microwave Background Experiments Reviewed International coauthorship
Sakamoto, Hina ; Ahn, Kyungjin; Ichiki, Kiyotomo ; Moon, Hyunjin ; Hasegawa, Kenji
The Astrophysical Journal Vol. 930 ( 2 ) page： id.140 2022.5
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Measuring the cosmological density field twice: A novel test of dark energy using the CMB quadrupole Reviewed International coauthorship
Kiyotomo Ichiki, Kento Sumiya, and Guo-Chin Liu
Physical Review D Vol. 105 2022.3
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21 cm forest constraints on primordial black holes Reviewed
Pablo Villanueva-Domingo, Kiyotomo Ichiki
Publications of the Astronomical Society of Japan 2022.2
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Densified Pupil Spectrograph as High-precision Radial Velocimetry: From Direct Measurement of the Universe's Expansion History to Characterization of Nearby Habitable Planet Candidates Reviewed International coauthorship
Matsuo, Taro search by orcid ; Greene, Thomas P. search by orcid ; Qezlou, Mahdi search by orcid ; Bird, Simeon search by orcid ; Ichiki, Kiyotomo ; Fujii, Yuka search by orcid ; Yamamuro, Tomoyasu
The Astronomical Journal Vol. 163 ( 2 ) 2022.2
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An iterative reconstruction algorithm for Faraday tomography Reviewed
Cooray, S; Takeuchi, TT; Akahori, T; Miyashita, Y; Ideguchi, S; Takahashi, K; Ichiki, K
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Vol. 500 ( 4 ) page： 5129 - 5141 2021.2
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Overview of the Medium and High Frequency Telescopes of the LiteBIRD satellite mission
Montier, L; Mot, B; de Bernardis, P; Maffei, B; Pisano, G; Columbro, F; Gudmundsson, JE; Henrot-Versille, S; Lamagna, L; Montgomery, J; Prouve, T; Russell, M; Savini, G; Stever, S; Thompson, KL; Tsujimoto, M; Tucker, C; Westbrook, B; Ade, PAR; Adler, A; Allys, E; Arnold, K; Auguste, D; Aumont, J; Aurlien, R; Austermann, J; Baccigalupi, C; Banday, AJ; Banerji, R; Barreiro, RB; Basak, S; Beall, J; Beck, D; Beckman, S; Bermejo, J; Bersanell, M; Bonis, J; Borrill, J; Boulanger, F; Bounissou, S; Brilenkov, M; Brown, M; Bucher, M; Calabrese, E; Campeti, P; Carones, A; Casas, FJ; Challinor, A; Chan, V; Cheung, K; Chinone, Y; Cliche, JF; Colombo, L; Cubas, J; Cukierman, A; Curtis, D; D'Alessandro, G; Dachlythra, N; De Petris, M; Dickinson, C; Diego-Palazuelos, P; Dobbs, M; Dotani, T; Duband, L; Duff, S; Duval, JM; Ebisawa, K; Elleflot, T; Eriksen, HK; Errard, J; Essinger-Hileman, T; Finelli, F; Flauger, R; Franceschet, C; Fuskeland, U; Galloway, M; Ganga, K; Gao, JR; Genova-Santos, R; Gerbino, M; Gervasi, M; Ghigna, T; Gjerlw, E; Gradziel, ML; Grain, J; Grupp, F; Gruppuso, A; de Haan, T; Halverson, NW; Hargrave, P; Hasebe, T; Hasegawa, M; Hattori, M; Hazumi, M; Herman, D; Herranz, D; Hill, CA; Hilton, G; Hirota, Y; Hivon, E; Hlozek, RA; Hoshino, Y; de la Hoz, E; Hubmayr, J; Ichiki, K; Iida, T; Imada, H; Ishimura, K; Ishino, H; Jaehnig, G; Kaga, T; Kashima, S; Katayama, N; Kato, A; Kawasaki, T; Keskitalo, R; Kisner, T; Kobayashi, Y; Kogiso, N; Kogut, A; Kohri, K; Komatsu, E; Komatsu, K; Konishi, K; Krachmalnicoff, N; Kreykenbohm, I; Kuo, CL; Kushino, A; Lanen, JV; Lattanzi, M; Lee, AT; Leloup, C; Levrier, F; Linder, E; Louis, T; Luzzi, G; Maciaszek, T; Maino, D; Maki, M; Mandelli, S; Martinez-Gonzalez, E; Masi, S; Matsumura, T; Mennella, A; Migliaccio, M; Minami, Y; Mitsuda, K; Morgante, G; Murata, Y; Murphy, JA; Nagai, M; Nagano, Y; Nagasaki, T; Nagata, R; Nakamura, S; Namikawa, T; Natoli, P; Nerval, S; Nishibori, T; Nishino, H; O'Sullivan, C; Ogawa, H; Ogawa, H; Oguri, S; Ohsaki, H; Ohta, IS; Okada, N; Okada, N; Pagano, L; Paiella, A; Paoletti, D; Patanchon, G; Peloton, J; Piacentini, F; Polenta, G; Poletti, D; Puglisi, G; Rambaud, D; Raum, C; Realini, S; Reinecke, M; Remazeilles, M; Ritacco, A; Roudil, G; Rubino-Martin, JA; Sakurai, H; Sakurai, Y; Sandri, M; Sasaki, M; Scott, D; Seibert, J; Sekimoto, Y; Sherwin, B; Shinozaki, K; Shiraishi, M; Shirron, P; Signorelli, G; Smecher, G; Stompor, R; Sugai, H; Sugiyama, S; Suzuki, A; Suzuki, J; Svalheim, TL; Switzer, E; Takaku, R; Takakura, H; Takakura, S; Takase, Y; Takeda, Y; Tartari, A; Taylor, E; Terao, Y; Thommesen, H; Thorne, B; Toda, T; Tomasi, M; Tominaga, M; Trappe, N; Tristram, M; Tsuji, M; Ullom, J; Vermeulen, G; Vielva, P; Villa, F; Vissers, M; Vittorio, N; Wehus, I; Weller, J; Wilms, J; Winter, B; Wollack, EJ; Yamasaki, NY; Yoshida, T; Yumoto, J; Zannoni, M; Zonca, A
SPACE TELESCOPES AND INSTRUMENTATION 2020: OPTICAL, INFRARED, AND MILLIMETER WAVE Vol. 11443 2021
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21 cm forest probes on axion dark matter in postinflationary Peccei- Quinn symmetry breaking scenarios Reviewed International coauthorship
Shimabukuro Hayato, Ichiki Kiyotomo, Kadota Kenji
PHYSICAL REVIEW D Vol. 102 ( 2 ) 2020.7
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Updated Design of the CMB Polarization Experiment Satellite LiteBIRD Reviewed International coauthorship
Sugai H., Ade P. A. R., Akiba Y., Alonso D., Arnold K., Aumont J., Austermann J., Baccigalupi C., Banday A. J., Banerji R., Barreiro R. B., Basak S., Beall J., Beckman S., Bersanelli M., Borrill J., Boulanger F., Brown M. L., Bucher M., Buzzelli A., Calabrese E., Casas F. J., Challinor A., Chan V., Chinone Y., Cliche J. -F., Columbro F., Cukierman A., Curtis D., Danto P., de Bernardis P., de Haan T., De Petris M., Dickinson C., Dobbs M., Dotani T., Duband L., Ducout A., Duff S., Duivenvoorden A., Duval J. -M., Ebisawa K., Elleflot T., Enokida H., Eriksen H. K., Errard J., Essinger-Hileman T., Finelli F., Flauger R., Franceschet C., Fuskeland U., Ganga K., Gao J. -R., Genova-Santos R., Ghigna T., Gomez A., Gradziel M. L., Grain J., Grupp F., Gruppuso A., Gudmundsson J. E., Halverson N. W., Hargrave P., Hasebe T., Hasegawa M., Hattori M., Hazumi M., Henrot-Versille S., Herranz D., Hill C., Hilton G., Hirota Y., Hivon E., Hlozek R., Hoang D. -T., Hubmayr J., Ichiki K., Iida T., Imada H., Ishimura K., Ishino H., Jaehnig G. C., Jones M., Kaga T., Kashima S., Kataoka Y., Katayama N., Kawasaki T., Keskitalo R., Kibayashi A., Kikuchi T., Kimura K., Kisner T., Kobayashi Y., Kogiso N., Kogut A., Kohri K., Komatsu E., Komatsu K., Konishi K., Krachmalnicoff N., Kuo C. L., Kurinsky N., Kushino A., Kuwata-Gonokami M., Lamagna L., Lattanzi M., Lee A. T., Linder E., Maffei B., Maino D., Maki M., Mangilli A., Martinez-Gonzalez E., Masi S., Mathon R., Matsumura T., Mennella A., Migliaccio M., Minami Y., Mistuda K., Molinari D., Montier L., Morgante G., Mot B., Murata Y., Murphy J. A., Nagai M., Nagata R., Nakamura S., Namikawa T., Natoli P., Nerval S., Nishibori T., Nishino H., Nomura Y., Noviello F., O'Sullivan C., Ochi H., Ogawa H., Ogawa H., Ohsaki H., Ohta I., Okada N., Okada N., Pagano L., Paiella A., Paoletti D., Patanchon G., Piacentini F., Pisano G., Polenta G., Poletti D., Prouve T., Puglisi G., Rambaud D., Raum C., Realini S., Remazeilles M., Roudil G., Rubino-Martin J. A., Russell M., Sakurai H., Sakurai Y., Sandri M., Savini G., Scott D., Sekimoto Y., Sherwin B. D., Shinozaki K., Shiraishi M., Shirron P., Signorelli G., Smecher G., Spizzi P., Stever S. L., Stompor R., Sugiyama S., Suzuki A., Suzuki J., Switzer E., Takaku R., Takakura H., Takakura S., Takeda Y., Taylor A., Taylor E., Terao Y., Thompson K. L., Thorne B., Tomasi M., Tomida H., Trappe N., Tristram M., Tsuji M., Tsujimoto M., Tucker C., Ullom J., Uozumi S., Utsunomiya S., Van Lanen J., Vermeulen G., Vielva P., Villa F., Vissers M., Vittorio N., Voisin F., Walker I., Watanabe N., Wehus I., Weller J., Westbrook B., Winter B., Wollack E., Yamamoto R., Yamasaki N. Y., Yanagisawa M., Yoshida T., Yumoto J., Zannoni M., Zonca A.
JOURNAL OF LOW TEMPERATURE PHYSICS Vol. 199 ( 3-4 ) page： 1107 - 1117 2020.5
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Constraining the nature of ultra light dark matter particles with the 21 cm forest
Shimabukuro Hayato, Ichiki Kiyotomo, Kadota Kenji
PHYSICAL REVIEW D Vol. 101 ( 4 ) 2020.2
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Concept Design of Low Frequency Telescope for CMB B-mode Polarization satellite LiteBIRD
Sekimoto, Y; Ade, PAR; Adler, A; Allys, E; Arnold, K; Auguste, D; Aumont, J; Aurlien, R; Austermann, J; Baccigalupi, C; Banday, AJ; Banerji, R; Barreiro, RB; Basak, S; Beall, J; Beck, D; Beckman, S; Bermejo, J; de Bernardis, P; Bersanelli, M; Bonis, J; Borrill, J; Boulanger, F; Bounissou, S; Brilenkov, M; Brown, M; Bucher, M; Calabrese, E; Campeti, P; Carones, A; Casas, FJ; Challinor, A; Chan, V; Cheung, K; Chinone, Y; Cliche, JF; Colombo, L; Columbro, F; Cubas, J; Cukierman, A; Curtis, D; D'Alessandro, G; Dachlythra, N; De Petris, M; Dickinson, C; Diego-Palazuelos, P; Dobbs, M; Dotani, T; Duband, L; Duff, S; Duval, JM; Ebisawa, K; Elleflot, T; Eriksen, HK; Errard, J; Essinger-Hileman, T; Finelli, F; Flauger, R; Franceschet, C; Fuskeland, U; Galloway, M; Ganga, K; Gao, JR; Genova-Santos, R; Gerbino, M; Gervasi, M; Ghigna, T; Gjerlow, E; Gradziel, ML; Grain, J; Grupp, F; Gruppuso, A; Gudmundsson, JE; de Haan, T; Halverson, NW; Hargrave, P; Hasebe, T; Hasegawa, M; Hattori, M; Hazumi, M; Herman, D; Herranz, D; Hill, CA; Hilton, G; Hirota, Y; Hivon, E; Hlozek, RA; Hoshino, Y; de la Hoz, E; Hubmayr, J; Ichiki, K; Iida, T; Imada, H; Ishimura, K; Ishino, H; Jaehnig, G; Kaga, T; Kashima, S; Katayama, N; Kato, A; Kawasaki, T; Keskitalo, R; Kisner, T; Kobayashi, Y; Kogiso, N; Kogut, A; Kohri, K; Komatsu, E; Komatsu, K; Konishi, K; Krachmalnicoff, N; Kreykenbohm, I; Kuo, CL; Kushino, A; Lamagna, L; Lanen, JV; Lattanzi, M; Lee, AT; Leloup, C; Levrier, F; Linder, E; Louis, T; Luzzi, G; Maciaszek, T; Maffei, B; Maino, D; Maki, M; Mandelli, S; Martinez-Gonzalez, E; Masi, S; Matsumura, T; Mennella, A; Migliaccio, M; Minami, Y; Mitsuda, K; Montgomery, J; Montier, L; Morgante, G; Mot, B; Murata, Y; Murphy, JA; Nagai, M; Nagano, Y; Nagasaki, T; Nagata, R; Nakamura, S; Namikawa, T; Natoli, P; Nerval, S; Nishibori, T; Nishino, H; O'Sullivan, C; Ogawa, H; Oguri, S; Ohsaki, H; Ohta, IS; Okada, N; Pagano, L; Paiella, A; Paoletti, D; Patanchon, G; Peloton, J; Piacentini, F; Pisano, G; Polenta, G; Poletti, D; Puglisi, G; Rambaud, D; Raum, C; Realini, S; Reinecke, M; Remazeilles, M; Ritacco, A; Roudil, G; Rubino-Martin, JA; Russell, M; Sakurai, H; Sakurai, Y; Sandri, M; Sasaki, M; Savini, G; Scott, D; Seibert, J; Sherwin, B; Shinozaki, K; Shiraishi, M; Shirron, P; Signorelli, G; Smecher, G; Stever, S; Stompor, R; Sugai, H; Sugiyama, S; Suzuki, A; Suzuki, J; Svalheim, TL; Switzer, E; Takaku, R; Takakura, H; Takakura, S; Takase, Y; Takeda, Y; Tartari, A; Taylor, E; Terao, Y; Thommesen, H; Thompson, KL; Thorne, B; Toda, T; Tomasi, M; Tominaga, M; Trappe, N; Tristram, M; Tsuji, M; Tsujimoto, M; Tucker, C; Ullom, J; Vermeulen, G; Vielva, P; Villa, F; Vissers, M; Vittorio, N; Wehus, I; Weller, J; Westbrook, B; Wilms, J; Winter, B; Wollack, EJ; Yamasaki, NY; Yoshida, T; Yumoto, J; Zannoni, M; Zonca, A
MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY X Vol. 11453 2020
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Kadota Kenji, Ooba Junpei, Tashiro Hiroyuki, Ichiki Kiyotomo, Liu Guo-Chin
PHYSICAL REVIEW D Vol. 100 ( 6 ) 2019.9
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Space gravitational-wave antennas DECIGO and B-DECIGO
Kawamura Seiji, Nakamura Takashi, Ando Masaki, Seto Naoki, Akutsu Tomotada, Funaki Ikkoh, Ioka Kunihito, Kanda Nobuyuki, Kawano Isao, Musha Mitsuru, Nakazawa Kazuhiro, Sato Shuichi, Takashima Takeshi, Tanaka Takahiro, Tsubono Kimio, Yokoyama Jun'ichi, Agatsuma Kazuhiro, Aoyanagi Koh-suke, Arai Koji, Araya Akito, Aritomi Naoki, Asada Hideki, Aso Yoichi, Chen Dan, Chiba Takeshi, Ebisuzaki Toshikazu, Eguchi Satoshi, Ejiri Yumiko, Enoki Motohiro, Eriguchi Yoshiharu, Fujimoto Masa-Katsu, Fujita Ryuichi, Fukushima Mitsuhiro, Futamase Toshifumi, Gondo Rina, Harada Tomohiro, Hashimoto Tatsuaki, Hayama Kazuhiro, Hikida Wataru, Himemoto Yoshiaki, Hirabayashi Hisashi, Hiramatsu Takashi, Hong Feng-Lei, Horisawa Hideyuki, Hosokawa Mizuhiko, Ichiki Kiyotomo, Ikegami Takeshi, Inoue Kaiki T., Ishihara Hideki, Ishikawa Takehiko, Ishizaki Hideharu, Ito Hiroyuki, Itoh Yousuke, Izumi Kiwamu, Kanemura Shinya, Kawashima Nobuki, Kawazoe Fumiko, Kishimoto Naoko, Kiuchi Kenta, Kobayashi Shiho, Kohri Kazunori, Koizumi Hiroyuki, Kojima Yasufumi, Kokeyama Keiko, Kokuyama Wataru, Kotake Kei, Kozai Yoshihide, Kunimori Hiroo, Kuninaka Hitoshi, Kuroda Kazuaki, Kuroyanagi Sachiko, Maeda Kei-ichi, Matsuhara Hideo, Matsumoto Nobuyuki, Michimura Yuta, Miyakawa Osamu, Miyamoto Umpei, Miyoki Shinji, Morimoto Mutsuko Y., Morisawa Toshiyuki, Moriwaki Shigenori, Mukohyama Shinji, Nagano Shigeo, Nakamura Kouji, Nakano Hiroyuki, Nakao Kenichi, Nakasuka Shinichi, Nakayama Yoshinori, Nishida Erina, Nishizawa Atsushi, Niwa Yoshito, Noumi Taiga, Obuchi Yoshiyuki, Ohishi Naoko, Ohkawa Masashi, Okada Kenshi, Okada Norio, Okutomi Koki, Oohara Kenichi, Sago Norichika, Saijo Motoyuki, Saito Ryo, Sakagami Masaaki, Sakai Shin-ichiro, Sakata Shihori, Sasaki Misao, Sato Takashi, Shibata Masaru, Shibata Kazunori, Shimo-oku Ayumi, Shinkai Hisaaki, Shoda Ayaka, Somiya Kentaro, Sotani Hajime, Suemasa Aru, Sugiyama Naoshi, Suwa Yudai, Suzuki Rieko, Tagoshi Hideyuki, Takahashi Fuminobu, Takahashi Kakeru, Takahashi Keitaro, Takahashi Ryutaro, Takahashi Ryuichi, Takahashi Hirotaka, Akiteru Takamori, Takano Tadashi, Tanaka Nobuyuki, Taniguchi Keisuke, Taruya Atsushi, Tashiro Hiroyuki, Torii Yasuo, Toyoshima Morio, Tsujikawa Shinji, Ueda Akitoshi, Ueda Ken-ichi, Ushiba Takafumi, Utashima Masayoshi, Wakabayashi Yaka, Yagi Kent, Yamamoto Kazuhiro, Yamazaki Toshitaka, Yoo Chul-Moon, Yoshida Shijun, Yoshino Taizoh
INTERNATIONAL JOURNAL OF MODERN PHYSICS D Vol. 28 ( 12 ) 2019.9
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Minami Yuto, Ochi Hiroki, Ichiki Kiyotomo, Katayama Nobuhiko, Komatsu Eiichiro, Matsumura Tomotake
PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS Vol. 2019 ( 8 ) 2019.8
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Magnetic field and ISM in the local Galactic disc
Sofue Y., Nakanishi H., Ichiki K.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Vol. 485 ( 1 ) page： 924 - 933 2019.5
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Hazumi M., Ade P. A. R., Akiba Y., Alonso D., Arnold K., Aumont J., Baccigalupi C., Barron D., Basak S., Beckman S., Borrill J., Boulanger F., Bucher M., Calabrese E., Chinone Y., Cho S., Cukierman A., Curtis D. W., de Haan T., Dobbs M., Dominjon A., Dotani T., Duband L., Ducout A., Dunkley J., Duval J. M., Elleflot T., Eriksen H. K., Errard J., Fischer J., Fujino T., Funaki T., Fuskeland U., Ganga K., Goeckner-Wald N., Grain J., Halverson N. W., Hamada T., Hasebe T., Hasegawa M., Hattori K., Hattori M., Hayes L., Hidehira N., Hill C. A., Hilton G., Hubmayr J., Ichiki K., Iida T., Imada H., Inoue M., Inoue Y., Irwin K. D., Ishino H., Jeong O., Kanai H., Kaneko D., Kashima S., Katayama N., Kawasaki T., Kernasovskiy S. A., Keskitalo R., Kibayashi A., Kida Y., Kimura K., Kisner T., Kohri K., Komatsu E., Komatsu K., Kuo C. L., Kurinsky N. A., Kusaka A., Lazarian A., Lee A. T., Li D., Linder E., Maffei B., Mangilli A., Maki M., Matsumura T., Matsuura S., Meilhan D., Mima S., Minami Y., Mitsuda K., Montier L., Nagai M., Nagasaki T., Nagata R., Nakajima M., Nakamura S., Namikawa T., Naruse M., Nishino H., Nitta T., Noguchi T., Ogawa H., Oguri S., Okada N., Okamoto A., Okamura T., Otani C., Patanchon G., Pisano G., Rebeiz G., Remazeilles M., Richards P. L., Sakai S., Sakurai Y., Sato Y., Sato N., Sawada M., Segawa Y., Sekimoto Y., Seljak U., Sherwin B. D., Shimizu T., Shinozaki K., Stompor R., Sugai H., Sugita H., Suzuki A., Suzuki J., Tajima O., Takada S., Takaku R., Takakura S., Takatori S., Tanabe D., Taylor E., Thompson K. L., Thorne B., Tomaru T., Tomida T., Tomita N., Tristram M., Tucker C., Turin P., Tsujimoto M., Uozumi S., Utsunomiya S., Uzawa Y., Vansyngel F., Wehus I. K., Westbrook B., Willer M., Whitehorn N., Yamada Y., Yamamoto R., Yamasaki N., Yamashita T., Yoshida M.
JOURNAL OF LOW TEMPERATURE PHYSICS Vol. 194 ( 5-6 ) page： 443 - 452 2019.3
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Delta-map method of removing CMB foregrounds with spatially varying spectra
Ichiki Kiyotomo, Kanai Hiroaki, Katayama Nobuhiko, Komatsu Eiichiro
PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS Vol. 2019 ( 3 ) 2019.3
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Yoshiura S., Ichiki K., Pindor B., Takahashi K., Tashiro H., Trott C. M.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Vol. 483 ( 2 ) page： 2697 - 2711 2019.2
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Concept Study of Optical Configurations for High-Frequency Telescope for LiteBIRD
Hasebe T., Kashima S., Ade P. A. R., Akiba Y., Alonso D., Arnold K., Aumont J., Baccigalupi C., Barron D., Basak S., Beckman S., Borrill J., Boulanger F., Bucher M., Calabrese E., Chinone Y., Cho H. -M., Cukierman A., Curtis D. W., de Haan T., Dobbs M., Dominjon A., Dotani T., Duband L., Ducout A., Dunkley J., Duval J. M., Elleflot T., Eriksen H. K., Errard J., Fischer J., Fujino T., Funaki T., Fuskeland U., Ganga K., Goeckner-Wald N., Grain J., Halverson N. W., Hamada T., Hasegawa M., Hattori K., Hattori M., Hayes L., Hazumi M., Hidehira N., Hill C. A., Hilton G., Hubmayr J., Ichiki K., Iida T., Imada H., Inoue M., Inoue Y., Irwin K. D., Ishino H., Jeong O., Kanai H., Kaneko D., Katayama N., Kawasaki T., Kernasovskiy S. A., Keskitalo R., Kibayashi A., Kida Y., Kimura K., Kisner T., Kohri K., Komatsu E., Komatsu K., Kuo C. L., Kurinsky N. A., Kusaka A., Lazarian A., Lee A. T., Li D., Linder E., Maffei B., Mangilli A., Maki M., Matsumura T., Matsuura S., Meilhan D., Mima S., Minami Y., Mitsuda K., Montier L., Nagai M., Nagasaki T., Nagata R., Nakajima M., Nakamura S., Namikawa T., Naruse M., Nishino H., Nitta T., Noguchi T., Ogawa H., Oguri S., Okada N., Okamoto A., Okamura T., Otani C., Patanchon G., Pisano G., Rebeiz G., Remazeilles M., Richards P. L., Sakai S., Sakurai Y., Sato Y., Sato N., Sawada M., Segawa Y., Sekimoto Y., Seljak U., Sherwin B. D., Shimizu T., Shinozaki K., Stompor R., Sugai H., Sugita H., Suzuki A., Suzuki J., Tajima O., Takada S., Takaku R., Takakura S., Takatori S., Tanabe D., Taylor E., Thompson K. L., Thorne B., Tomaru T., Tomida T., Tomita N., Tristram M., Tucker C., Turin P., Tsujimoto M., Uozumi S., Utsunomiya S., Uzawa Y., Vansyngel F., Wehus I. K., Westbrook B., Willer M., Whitehorn N., Yamada Y., Yamamoto R., Yamasaki N., Yamashita T., Yoshida M.
JOURNAL OF LOW TEMPERATURE PHYSICS Vol. 193 ( 5-6 ) page： 841 - 850 2018.12
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Thermal Sunyaev-Zel'dovich Effect in the IGM due to Primordial Magnetic Fields
Minoda Teppei, Hasegawa Kenji, Tashiro Hiroyuki, Ichiki Kiyotomo, Sugiyama Naoshi
GALAXIES Vol. 6 ( 4 ) 2018.12
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The LiteBIRD Satellite Mission: Sub-Kelvin Instrument
Suzuki A., Ade P. A. R., Akiba Y., Alonso D., Arnold K., Aumont J., Baccigalupi C., Barron D., Basak S., Beckman S., Borrill J., Boulanger F., Bucher M., Calabrese E., Chinone Y., Cho S., Crill B., Cukierman A., Curtis D. W., de Haan T., Dobbs M., Dominjon A., Dotani T., Duband L., Ducout A., Dunkley J., Duval J. M., Elleflot T., Eriksen H. K., Errard J., Fischer J., Fujino T., Funaki T., Fuskeland U., Ganga K., Goeckner-Wald N., Grain J., Halverson N. W., Hamada T., Hasebe T., Hasegawa M., Hattori K., Hattori M., Hayes L., Hazumi M., Hidehira N., Hill C. A., Hilton G., Hubmayr J., Ichiki K., Iida T., Imada H., Inoue M., Inoue Y., Irwin K. D., Ishino H., Jeong O., Kanai H., Kaneko D., Kashima S., Katayama N., Kawasaki T., Kernasovskiy S. A., Keskitalo R., Kibayashi A., Kida Y., Kimura K., Kisner T., Kohri K., Komatsu E., Komatsu K., Kuo C. L., Kurinsky N. A., Kusaka A., Lazarian A., Lee A. T., Li D., Linder E., Maffei B., Mangilli A., Maki M., Matsumura T., Matsuura S., Meilhan D., Mima S., Minami Y., Mitsuda K., Montier L., Nagai M., Nagasaki T., Nagata R., Nakajima M., Nakamura S., Namikawa T., Naruse M., Nishino H., Nitta T., Noguchi T., Ogawa H., Oguri S., Okada N., Okamoto A., Okamura T., Otani C., Patanchon G., Pisano G., Rebeiz G., Remazeilles M., Richards P. L., Sakai S., Sakurai Y., Sato Y., Sato N., Sawada M., Segawa Y., Sekimoto Y., Seljak U., Sherwin B. D., Shimizu T., Shinozaki K., Stompor R., Sugai H., Sugita H., Suzuki J., Tajima O., Takada S., Takaku R., Takakura S., Takatori S., Tanabe D., Taylor E., Thompson K. L., Thorne B., Tomaru T., Tomida T., Tomita N., Tristram M., Tucker C., Turin P., Tsujimoto M., Uozumi S., Utsunomiya S., Uzawa Y., Vansyngel F., Wehus I. K., Westbrook B., Willer M., Whitehorn N., Yamada Y., Yamamoto R., Yamasaki N., Yamashita T., Yoshida M.
JOURNAL OF LOW TEMPERATURE PHYSICS Vol. 193 ( 5-6 ) page： 1048 - 1056 2018.12
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Gangopadhyay Mayukh R., Mathews Grant J., Ichiki Kiyotomo, Kajino Toshitaka
EUROPEAN PHYSICAL JOURNAL C Vol. 78 ( 9 ) 2018.9
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Effect of dark energy perturbation on cosmic voids formation
Endo Takao, Nishizawa Atsushi J., Ichiki Kiyotomo
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Vol. 478 ( 4 ) page： 5230 - 5239 2018.8
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Observational constraint on spherical inhomogeneity with CMB and local Hubble parameter
Tokutake Masato, Ichiki Kiyotomo, Yoo Chul-Moon
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS ( 3 ) 2018.3
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Updated observational constraints on quintessence dark energy models
Durrive Jean-Baptiste, Ooba Junpei, Ichiki Kiyotomo, Sugiyama Naoshi
PHYSICAL REVIEW D Vol. 97 ( 4 ) 2018.2
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Big Bang Nucleosynthesis, the CMB, and the Origin of Matter and Space-Time
Mathews Grant J., Gangopadhyay Mayukh, Sasankan Nishanth, Ichiki Kiyotomo, Kajino Toshitaka
14TH INTERNATIONAL SYMPOSIUM ON ORIGIN OF MATTER AND EVOLUTION OF GALAXIES (OMEG 2017) Vol. 1947 2018
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Concept design of the LiteBIRD satellite for CMB B-mode polarization
Sekimoto Y., Ade P., Arnold K., Aumont J., Austermann J., Baccigalupi C., Banday A., Banerji R., Basak S., Beckman S., Bersanelli M., Borrill J., Boulanger F., Brown M. L., Bucher M., Calabrese E., Casas F. J., Challinor A., Chinone Y., Columbro F., Cukierman A., Curtis D., de Bernardis P., de Petris M., Dobbs M., Dotani T., Duband L., Duval Jm., Ducout A., Ebisawa K., Elleot T., Eriksen H., Errard J., Flauger R., Franceschet C., Fuskeland U., Ganga K., Gao J. R., Ghigna T., Grain J., Gruppuso A., Halverson N., Hargrave P., Hasebe T., Hasegawa M., Hattori M., Hazumi M., Henrot-Versille S., Hill C., Hirota Y., Hivon E., Hoang D. T., Hubmayr J., Ichiki K., Imada H., Ishino H., Jaehnig G., Kanai H., Kashima S., Kataoka Y., Katayama N., Kawasaki T., Keskitalo R., Kibayashi A., Kikuchi T., Kimura K., Kisner T., Kobayashi Y., Kogiso N., Kohri K., Komatsu E., Komatsu K., Konishi K., Krachmalnicoff N., Kuo C. L., Kurinsky N., Kushino A., Lamagna L., Lee A. T., Linder E., Maffei B., Maki M., Mangilli A., Martinez-Gonzalez E., Masi S., Matsumura T., Mennella A., Minami Y., Mistuda K., Molinari D., Montier L., Morgante G., Mot B., Murata Y., Murphy A., Nagai M., Nagata R., Nakamura S., Namikawa T., Natoli P., Nishibori T., Nishino H., Noviello F., O'Sullivan C., Ochi H., Ogawa H., Ogawa H., Ohsaki H., Ohta I., Okada N., Patanchon G., Piacentini F., Pisano G., Polenta G., Poletti D., Puglisi G., Raum C., Realini S., Remazeilles M., Sakurai H., Sakurai Y., Savini G., Sherwin B., Shinozaki K., Shiraishi M., Signorelli G., Smecher G., Stompor R., Sugai H., Sugiyama S., Suzuki A., Suzuki J., Takaku R., Takakura H., Takakura S., Taylor E., Terao Y., Thompson K. L., Thorne B., Tomasi M., Tomida H., Trappe N., Tristram M., Tsuji M., Tsujimoto M., Uozumi S., Utsunomiya S., Vittorio N., Watanabe N., Wehus I., Westbrook B., Winter B., Yamamoto R., Yamasaki N. Y., Yanagisawa M., Yoshida T., Yumoto J., Zannoni M., Zonca A.
SPACE TELESCOPES AND INSTRUMENTATION 2018: OPTICAL, INFRARED, AND MILLIMETER WAVE Vol. 10698 2018
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Cosmic magnetism in centimeter- and meter-wavelength radio astronomy Invited Reviewed
Akahori, Takuya; Nakanishi, Hiroyuki; Sofue, Yoshiaki; Fujita, Yutaka; Ichiki, Kiyotomo; Ideguchi, Shinsuke; Kameya, Osamu; Kudoh, Takahiro; Kudoh, Yuki; Machida, Mami; Miyashita, Yoshimitsu; Ohno, Hiroshi; Ozawa, Takeaki; Takahashi, Keitaro; Takizawa, Motokazu; Yamazaki, Dai G.
Publications of the Astronomical Society of Japan, Advance Access 2017.12
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Thermal Sunyaev-Zel'dovich effect in the intergalactic medium with primordial magnetic fields Reviewed
Minoda, Teppei; Hasegawa, Kenji; Tashiro, Hiroyuki; Ichiki, Kiyotomo; Sugiyama, Naoshi
Physical Review D Vol. 96 ( 12 ) page： 123525 2017.12
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Constraining the contribution of galaxies and active galactic nuclei to cosmic reionization Reviewed
Yoshiura, Shintaro; Hasegawa, Kenji; Ichiki, Kiyotomo; Tashiro, Hiroyuki; Shimabukuro, Hayato; Takahashi, Keitaro
Monthly Notices of the Royal Astronomical Society Vol. 471 ( 3 ) page： p.3713-3726 2017.11
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Revisiting the oscillations in the cosmic microwave background angular power spectra at ell~120 in the Planck 2015 data Reviewed
Horiguchi, Koichiro; Ichiki, Kiyotomo; Yokoyama, Jun'ichi
Progress of Theoretical and Experimental Physics Vol. 2017 ( 9 ) page： id.093E01 2017.9
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Constraining the epoch-of-reionization model parameters with the 21-cm bispectrum Reviewed
Shimabukuro, Hayato; Yoshiura, Shintaro; Takahashi, Keitaro; Yokoyama, Shuichiro; Ichiki, Kiyotomo
Monthly Notices of the Royal Astronomical Society Vol. 468 ( 2 ) page： p.1542-1550 2017.7
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Weak lensing from self-ordering scalar fields Reviewed
Saga, Shohei; Horiguchi, Kouichirou; Ichiki, Kiyotomo
Physical Review D Vol. 95 ( 12 ) page： id.123524 2017.6
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Cosmological constraints on scalar-tensor gravity and the variation of the gravitational constant Reviewed
Ooba, Junpei; Ichiki, Kiyotomo; Chiba, Takeshi; Sugiyama, Naoshi
Progress of Theoretical and Experimental Physics Vol. 2017 ( 4 ) page： id.043E03 2017.4
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The status of DECIGO
Sato Shuichi, Kawamura Seiji, Ando Masaki, Nakamura Takashi, Tsubono Kimio, Araya Akito, Funaki Ikkoh, Ioka Kunihito, Kanda Nobuyuki, Moriwaki Shigenori, Musha Mitsuru, Nakazawa Kazuhiro, Numata Kenji, Sakai Shin-ichiro, Seto Naoki, Takashima Takeshi, Tanaka Takahiro, Agatsuma Kazuhiro, Aoyanagi Koh-suke, Arai Koji, Asada Hideki, Aso Yoichi, Chiba Takeshi, Ebisuzaki Toshikazu, Ejiri Yumiko, Enoki Motohiro, Eriguchi Yoshiharu, Fujimoto Masa-Katsu, Fujita Ryuichi, Fukushima Mitsuhiro, Futamase Toshifumi, Ganzu Katsuhiko, Harada Tomohiro, Hashimoto Tatsuaki, Hayama Kazuhiro, Hikida Wataru, Himemoto Yoshiaki, Hirabayashi Hisashi, Hiramatsu Takashi, Hong Feng-Lei, Horisawa Hideyuki, Hosokawa Mizuhiko, Ichiki Kiyotomo, Ikegami Takeshi, Inoue Kaiki T., Ishidoshiro Koji, Ishihara Hideki, Ishikawa Takehiko, Ishizaki Hideharu, Ito Hiroyuki, Itoh Yousuke, Kawashima Nobuki, Kawazoe Fumiko, Kishimoto Naoko, Kiuchi Kenta, Kobayashi Shiho, Kohri Kazunori, Koizumi Hiroyuki, Kojima Yasufumi, Kokeyama Keiko, Kokuyama Wataru, Kotake Kei, Kozai Yoshihide, Kudoh Hideaki, Kunimori Hiroo, Kuninaka Hitoshi, Kuroda Kazuaki, Maeda Kei-ichi, Matsuhara Hideo, Mino Yasushi, Miyakawa Osamu, Miyoki Shinji, Morimoto Mutsuko Y., Morioka Tomoko, Morisawa Toshiyuki, Mukohyama Shinji, Nagano Shigeo, Naito Isao, Nakamura Kouji, Nakano Hiroyuki, Nakao Kenichi, Nakasuka Shinichi, Nakayama Yoshinori, Nishida Erina, Nishiyama Kazutaka, Nishizawa Atsushi, Niwa Yoshito, Noumi Taiga, Obuchi Yoshiyuki, Ohashi Masatake, Ohishi Naoko, Ohkawa Masashi, Okada Norio, Onozato Kouji, Oohara Kenichi, Sago Norichika, Saijo Motoyuki, Sakagami Masaaki, Sakata Shihori, Sasaki Misao, Sato Takashi, Shibata Masaru, Shinkai Hisaaki, Somiya Kentaro, Sotani Hajime, Sugiyama Naoshi, Suwa Yudai, Suzuki Rieko, Tagoshi Hideyuki, Takahashi Fuminobu, Takahashi Kakeru, Takahashi Keitaro, Takahashi Ryutaro, Takahashi Ryuichi, Takahashi Tadayuki, Takahashi Hirotaka, Akiteru Takamori, Takano Tadashi, Taniguchi Keisuke, Taruya Atsushi, Tashiro Hiroyuki, Torii Yasuo, Toyoshima Morio, Tsujikawa Shinji, Tsunesada Yoshiki, Ueda Akitoshi, Ueda Ken-ichi, Utashima Masayoshi, Wakabayashi Yaka, Yamakawa Hiroshi, Yamamoto Kazuhiro, Yamazaki Toshitaka, Yokoyama Jun'ichi, Yoo Chul-Moon, Yoshida Shijun, Yoshino Taizoh
11TH INTERNATIONAL LISA SYMPOSIUM Vol. 840 2017
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Cosmology with the Square Kilometre Array by SKA-Japan Reviewed
Yamauchi, Daisuke; Ichiki, Kiyotomo; Kohri, Kazunori; Namikawa, Toshiya; Oyama, Yoshihiko; Sekiguchi, Toyokazu; Shimabukuro, Hayato; Takahashi, Keitaro; Takahashi, Tomo; Yokoyama, Shuichiro; Yoshikawa, Kohji
Publications of the Astronomical Society of Japan Vol. 68 ( 6 ) page： id.R2 19 pp. 2016.12
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Primordial magnetic fields from the string network Reviewed
Horiguchi, Kouichirou; Ichiki, Kiyotomo; Sugiyama, Naoshi
Progress of Theoretical and Experimental Physics Vol. 2016 ( 8 ) page： id.083E02 15 pp. 2016.8
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Reconstruction of CMB temperature anisotropies with primordial CMB induced polarization in galaxy clusters Reviewed
Liu, Guo-Chin; Ichiki, Kiyotomo; Tashiro, Hiroyuki; Sugiyama, Naoshi
Monthly Notices of the Royal Astronomical Society: Letters Vol. 460 ( 1 ) page： L104-L108 2016.7
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Planck constraints on scalar-tensor cosmology and the variation of the gravitational constant Reviewed
Ooba, Junpei; Ichiki, Kiyotomo; Chiba, Takeshi; Sugiyama, Naoshi
Physical Review D Vol. 93 ( 12 ) page： id.122002 2016.6
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21 cm line bispectrum as a method to probe cosmic dawn and epoch of reionization Reviewed
Shimabukuro, Hayato; Yoshiura, Shintaro; Takahashi, Keitaro; Yokoyama, Shuichiro; Ichiki, Kiyotomo
Monthly Notices of the Royal Astronomical Society Vol. 458 ( 3 ) page： p.3003-3011 2016.5
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Effect of supersonic relative motion between baryons and dark matter on collapsed objects Reviewed
Asaba, Shinsuke; Ichiki, Kiyotomo; Tashiro, Hiroyuki
Physical Review D Vol. 93 ( 2 ) page： id.023518 2016.1
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Relationship between the CMB, Sunyaev-Zel'dovich cluster counts, and local Hubble parameter measurements in a simple void model Reviewed
Ichiki, Kiyotomo; Yoo, Chul-Moon; Oguri, Masamune
Physical Review D Vol. 93 ( 2 ) page： id.023529 2016.1
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Possible evidence for Planck-scale resonant particle production during inflation from the CMB power spectrum
Mathews, G. J.; Gangopadhyay, M. R.; Ichiki, K.; Kajino, T.
Physical Review D Vol. 92 ( 12 ) page： id.123519 2015.12
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Constraints on the birth of the universe and origin of cosmic dark flow Reviewed
Mathews, G. J.; Gangopadhyay, M. R.; Garnavich, P.; Rose, B.; Ichiki, K.; Kajino, T.; Yamazaki, Dai
International Journal of Modern Physics A Vol. 30 ( 28n29 ) page： id. 1545022 2015.10
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Weak lensing induced by second-order vector mode Reviewed
Saga, Shohei; Yamauchi, Daisuke; Ichiki, Kiyotomo
Physical Review D Vol. 92 ( 6 ) page： id.063533 2015.9
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Studying 21cm power spectrum with one-point statistics
Shimabukuro, Hayato; Yoshiura, Shintaro; Takahashi, Keitaro; Yokoyama, Shuichiro; Ichiki, Kiyotomo
Monthly Notices of the Royal Astronomical Society Vol. 451 ( 1 ) page： p.4986-4993 2015.7
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Magnetic field spectrum at cosmological recombination revisited
Saga, Shohei; Ichiki, Kiyotomo; Takahashi, Keitaro; Sugiyama, Naoshi
Physical Review D Vol. 91 ( 12 ) page： id.123510 2015.6
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Primordial magnetic fields from self-ordering scalar fields Reviewed
Horiguchi, Kouichirou; Ichiki, Kiyotomo; Sekiguchi, Toyokazu; Sugiyama, Naoshi
Journal of Cosmology and Astroparticle Physics Vol. 04 page： id. 007 2015.4
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CMB probes on the correlated axion isocurvature perturbation Reviewed
Kadota, Kenji; Gong, Jinn-Ouk; Ichiki, Kiyotomo; Matsubara, Takahiko
Journal of Cosmology and Astroparticle Physics Vol. 03 page： id. 026 2015.3
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Impact of anisotropic stress of free-streaming particles on gravitational waves induced by cosmological density perturbations Reviewed
Saga, Shohei; Ichiki, Kiyotomo; Sugiyama, Naoshi
Physical Review D Vol. 91 ( 2 ) page： id.024030 2015.1
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Test for the zero mean hypothesis in cosmology Reviewed
Ichiki, Kiyotomo
Physical Review D Vol. 90 page： 123008 2014.12
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Probing small-scale cosmological fluctuations with the 21 cm forest: Effects of neutrino mass, running spectral index, and warm dark matter Reviewed
Shimabukuro, Hayato; Ichiki, Kiyotomo; Inoue, Susumu; Yokoyama, Shuichiro
Physical Review D Vol. 90 ( 8 ) page： 083003 2014.10
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Constraining primordial vector mode from B-mode polarization Reviewed
Saga, Shohei; Shiraishi, Maresuke; Ichiki, Kiyotomo
Journal of Cosmology and Astroparticle Physics ( 10 ) page： 004 2014.10
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The influence of primordial magnetic fields on the spherical collapse model in cosmology Reviewed
Shibusawa, Y.; Ichiki, K.; Kadota, K.
Journal of Cosmology and Astroparticle Physics Vol. 08 page： 017 2014.8
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Evolution of perturbations and cosmological constraints in decaying dark matter models with arbitrary decay mass products Reviewed
Aoyama, Shohei; Sekiguchi, Toyokazu; Ichiki, Kiyotomo; Sugiyama, Naoshi
Journal of Cosmology and Astroparticle Physics Vol. 07 page： 021 2014.7
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Cosmologically probing ultra-light particle dark matter using 21 cm signals Reviewed
Kadota, Kenji; Mao, Yi; Ichiki, Kiyomoto; Silk, Joseph
Journal of Cosmology and Astroparticle Physics Vol. 06 page： 011 2014.6
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CMB foreground: A concise review Invited Reviewed
Ichiki, Kiyotomo
Progress of Theoretical and Experimental Physics Vol. 2014 ( 6 ) page： id.06B10918 2014.6
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21 cm fluctuations from primordial magnetic fields Reviewed
Shiraishi, Maresuke; Tashiro, Hiroyuki; Ichiki, Kiyotomo
Physical Review D Vol. 89 ( 10 ) page： id.103522 2014.5
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Upper limit on the amplitude of gravitational waves around 0.1Â Hz from the Global Positioning System Reviewed
Aoyama, Shohei; Tazai, Rina; Ichiki, Kiyotomo
Physical Review D Vol. 89 ( 6 ) page： id.067101 2014.3
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Probing quintessence potential with future cosmological surveys Reviewed
Takeuchi, Yoshitaka; Ichiki, Kiyotomo; Takahashi, Tomo; Yamaguchi, Masahide
Journal of Cosmology and Astroparticle Physics Vol. 03 page： 045 2014.3
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CO Component Estimation Based on the Independent Component Analysis
Kiyotomo Ichiki, Ryohei Kaji, Hiroaki Yamamoto, Tsutomu T. Takeuchi, Yasuo Fukui
The Astrophysical Journal Vol. 780 ( 1 ) page： 13 2014.1
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Constraints on the multi-lognormal magnetic fields from the observations of the cosmic microwave background and the matter power spectrum Reviewed
Dai G. Yamazaki, Kiyotomo Ichiki, Keitaro Takahashi
Physical Review D Vol. 88 ( 10 ) page： 103011 2013.11
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Scale-dependent bias due to primordial vector fields Reviewed
Shiraishi, Maresuke; Yokoyama, Shuichiro; Ichiki, Kiyotomo; Matsubara, Takahiko
Monthly Notices of the Royal Astronomical Society Vol. 432 ( 3 ) page： 2331-2338 2013.7
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Lower Bounds on Magnetic Fields in Intergalactic Voids from Long-term GeV-TeV Light Curves of the Blazar Mrk 421 Reviewed
Takahashi, Keitaro; Mori, Masaki; Ichiki, Kiyotomo; Inoue, Susumu; Takami, Hajime
The Astrophysical Journal Letters Vol. 771 ( 2 ) page： L42 2013.7
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Generation of magnetic fields in Einstein-aether gravity Reviewed
Saga, Shohei; Shiraishi, Maresuke; Ichiki, Kiyotomo; Sugiyama, Naoshi
Physical Review D Vol. 87 ( 10 ) page： 104025 2013.5
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Exploring the origin of the fine structures in the CMB temperature angular power spectrum Reviewed
Kumazaki, Kohei; Ichiki, Kiyotomo; Sugiyama, Naoshi; Silk, Joseph
Physical Review D Vol. 87 ( 2 ) page： 023008 2013.1
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The search for a primordial magnetic field Reviewed
Yamazaki, Dai G.; Kajino, Toshitaka; Mathews, Grant J.; Ichiki, Kiyotomo
Physics Reports Vol. 517 ( 5 ) page： 141-167 2012.8
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Primordial magnetic fields with X-ray and Sunyaev-Zel'divich cluster surveys Reviewed
Tashiro, Hiroyuki; Takahashi, Keitaro; Ichiki, Kiyotomo
Monthly Notices of the Royal Astronomical Society Vol. 424 ( 2 ) page： 927-932 2012.8
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Optimal limits on primordial magnetic fields from CMB temperature bispectrum of passive modes Reviewed
Shiraishi, Maresuke; Nitta, Daisuke; Yokoyama, Shuichiro; Ichiki, Kiyotomo
Journal of Cosmology and Astroparticle Physics Vol. 03 page： 41 2012.3
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Impact of massive neutrinos on the abundance of massive clusters Reviewed
Ichiki, Kiyotomo; Takada, Masahiro
Physical Review D Vol. 85 ( 6 ) page： 063521 2012.3
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Test for anisotropy in the mean of the CMB temperature fluctuation in spherical harmonic space Reviewed
Kashino, Daichi; Ichiki, Kiyotomo; Takeuchi, Tsutomu T.
Physical Review D Vol. 85 ( 6 ) page： 063001 2012.3
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Application of cross correlations between CMB and large-scale structure to constraints on the primordial non-Gaussianity Reviewed
Takeuchi, Yoshitaka; Ichiki, Kiyotomo; Matsubara, Takahiko
Physical Review D Vol. 85 ( 4 ) page： 043518 2012.2
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Constraint on the primordial vector mode and its magnetic field generation from seven-year Wilkinson Microwave Anisotropy Probe observations Reviewed
Ichiki, Kiyotomo; Takahashi, Keitaro; Sugiyama, Naoshi
Physical Review D Vol. 85 ( 4 ) page： 043009 2012.2
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Lower Bounds on Intergalactic Magnetic Fields from Simultaneously Observed GeV-TeV Light Curves of the Blazar Mrk 501 Reviewed
Takahashi, Keitaro; Mori, Masaki; Ichiki, Kiyotomo; Inoue, Susumu
The Astrophysical Journal Letters Vol. 744 ( 1 ) page： L7 (4 pages) 2012.1
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Effects of a primordial magnetic field with log-normal distribution on the cosmic microwave background Reviewed
Yamazaki, Dai G.; Ichiki, Kiyotomo; Takahashi, Keitaro
Physical Review D Vol. 84 ( 12 ) page： 123006 (10 pages) 2011.12
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Primordial magnetic fields generated by the non-adiabatic fluctuations at pre-recombination era Reviewed
Maeda, Satoshi; Takahashi, Keitaro; Ichiki, Kiyotomo
Journal of Cosmology and Astroparticle Physics Vol. 11 page： 045 (17 pages) 2011.11
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Formulation and constraints on decaying dark matter with finite mass daughter particles Reviewed
Aoyama, Shohei; Ichiki, Kiyotomo; Nitta, Daisuke; Sugiyama, Naoshi
Journal of Cosmology and Astroparticle Physics Vol. 9 page： 25-45 2011.9
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Computation approach for CMB bispectrum from primordial magnetic fields Reviewed
Shiraishi, Maresuke; Nitta, Daisuke; Yokoyama, Shuichiro; Ichiki, Kiyotomo; Takahashi, Keitaro
Physical Review D Vol. 83 ( 12 ) page： 123523(17 pages) 2011.6
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Cosmic microwave background bispectrum of tensor passive modes induced from primordial magnetic fields
Shiraishi, Maresuke; Nitta, Daisuke; Yokoyama, Shuichiro; Ichiki, Kiyotomo; Takahashi, Keitaro
Physical Review D Vol. 83 ( 12 ) page： 123003(5 pages) 2011.6
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CMB Bispectrum from Primordial Scalar, Vector and Tensor Non-Gaussianities Reviewed
Shiraishi, M.; Nitta, D.; Yokoyama, S.; Ichiki, K.; Takahashi, K.
Progress of Theoretical Physics Vol. 125 ( 4 ) page： 795-813 2011.4
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Probing early cosmic magnetic fields through pair echoes from high-redshift GRBs Reviewed
Takahashi, Keitaro; Inoue, Susumu; Ichiki, Kiyotomo; Nakamura, Takashi
Monthly Notices of the Royal Astronomical Society Vol. 410 ( 4 ) page： 2741-2748 2011.2
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Copula cosmology: Constructing a likelihood function Reviewed
Sato, Masanori; Ichiki, Kiyotomo; Takeuchi, Tsutomu T.
Phys. Rev. D Vol. 83 ( 2 ) page： 023501(8 pages) 2011.1
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Cosmic microwave background bispectrum of vector modes induced from primordial magnetic fields Reviewed
Shiraishi, Maresuke; Nitta, Daisuke; Yokoyama, Shuichiro; Ichiki, Kiyotomo; Takahashi, Keitaro
Phys. Rev. D Vol. 82 ( 12 ) page： 121302(5 pages) 2010.12
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Precise Estimation of Cosmological Parameters Using a More Accurate Likelihood Function Reviewed
Sato, Masanori; Ichiki, Kiyotomo; Takeuchi, Tsutomu T.
Physical Review Letters Vol. 105 ( 25 ) page： 251301(4 pages) 2010.12
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Analytic formulae of the CMB bispectra generated from non-Gaussianity in the tensor and vector perturbations Reviewed
M. Shiraishi, D. Nitta, S. Yokoyama, K. Ichiki, K. Takahashi
Phys. Rev. D Vol. 82 ( 10 ) page： 103505(11 pages) 2010.11
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Constraints on primordial non-Gaussianity from galaxy-CMB lensing cross correlation Reviewed
Takeuchi, Yoshitaka; Ichiki, Kiyotomo; Matsubara, Takahiko
Phys. Rev. D Vol. 82 ( 2 ) page： 023517 2010.7
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Ghost dark matter Reviewed
Furukawa, Tomonori; Yokoyama, Shuichiro; Ichiki, Kiyotomo; Sugiyama, Naoshi; Mukohyama, Shinji
J.Cosmo.Astropart.Phys ( 5 ) page： 007 2010.5
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Constraints on the neutrino mass and the primordial magnetic field from the matter density fluctuation parameter σ8 Reviewed
Yamazaki, Dai G.; Ichiki, Kiyotomo; Kajino, Toshitaka; Mathews, Grant. J.
Phys. Rev. D Vol. 81 ( 10 ) page： 103519 2010.5
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Cosmic discordance: Detection of a modulation in the primordial fluctuation spectrum Reviewed
Ichiki, Kiyotomo; Nagata, Ryo; Yokoyama, Jun'Ichi
Phys. Rev. D Vol. 81 ( 8 ) page： 083010 2010.4
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New constraints on the primordial magnetic field Reviewed
Yamazaki, Dai G.; Ichiki, Kiyotomo; Kajino, Toshitaka; Mathews, Grant J.
Phys. Rev. D Vol. 81 ( 2 ) page： 023008 2010.1
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Brute force reconstruction of the primordial fluctuation spectrum from five-year Wilkinson Microwave Anisotropy Probe observations Reviewed
Ichiki, Kiyotomo; Nagata, Ryo
Phys. Rev. D Vol. 80 ( 8 ) page： 083002 2009.10
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Constraints on neutrino masses from WMAP5 and BBN in the lepton asymmetric universe Reviewed
M. Shiraishi, K. Ichikawa, K. Ichiki, N. Sugiyama and M. Yamaguchi
J.Cosmo.Astropart.Phys. Vol. 7 page： 005 2009.7
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*Constraints on Neutrino Masses from Weak Lensing Invited Reviewed
K. Ichiki, M Takada, T. Takahashi
Phys. Rev. D Vol. 79 page： 023520 2009.1
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Effects of a Primordial Magnetic Field on Low and High Multipoles of the CMB Reviewed
D. G. Yamazaki, K. Ichiki, T. Kajino, G. J. Mathews
Phys.Rev.D Vol. 77 page： 043005 2008
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Constraints on the Primordial Magnetic Field from sigma_8 Reviewed
D. G. Yamazaki, K. Ichiki, T Kajino, G. J. Mathews
Phys.Rev.D Vol. 78 page： 123001 2008
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Probing Intergalactic Magnetic Fields in the GLAST Era through Pair Echo Emission from TeV Blazars Reviewed
K. Murase, K. Takahashi, S. Inoue, K. Ichiki, S. Nagataki
Astrophys.J. Vol. 686 page： L67 2008
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Detectability of Pair Echos from Gamma-Ray Bursts and Intergalactic Magnetic Fields Reviewed
K. Takahashi, K. Murase, K. Ichiki, S. Inoue, S. Nagataki
Astrophys.J. Vol. 687 page： L67 2008
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Neutrino Masses from Cosmological Probes in Interacting Neutrino Dark-Energy Models Reviewed
K. Ichiki, Y. Y. Keum
Journal of High Energy Physics Vol. 06 page： 058 2008
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Neutrino mass effects on vector and tensor CMB anisotropies in the presence of a primordial magnetic field Reviewed
K. Kojima, K. Ichiki, D.G. Yamazaki, T. Kajino, G.J.Mathews
Phys.Rev.D Vol. 78 page： 045010 2008
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Electromagnetic Properties of the Early Universe Reviewed
K. Takahashi, K. Ichiki, N. Sugiyama
Phys. Rev. D Vol. 77 page： 124028 2008
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*Primordial Neutrinos, Cosmological Perturbations in Interacting Dark-Energy Model: CMB and LSS Reviewed
K. Ichiki, Y. Y. Keum
J.Cosmo.Astropart.Phys. Vol. 06 page： 005 2008
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Cosmic microwave background constraints on a decaying cosmological term related to the thermal evolution Reviewed
R. Nakamura, M. Hashimoto, K. Ichiki
Phys.Rev.D Vol. 77 page： 123511 2008
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Cosmic Shear from Scalar-Induced Gravitational Waves Reviewed
D. Sarkar, P. Serra, A. Cooray, K. Ichiki, D. Baumann
Phys.Rev.D Vol. 77 page： 103515 2008
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Probing the Nature of the Weakest Intergalactic Magnetic Fields with the High Energy Emission of Gamma-Ray Bursts Reviewed
K. Ichiki, S. Inoue, K. Takahashi
Astrophys. J. Vol. 682 page： 127 2008
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Probing polarization states of primordial gravitational waves with CMB anisotropies Reviewed
S. Saito, K. Ichiki, A. Taruya
J.Cosmo.Astropart.Phys. Vol. 09 page： 002 2007
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Gravitational Wave Spectrum Induced by Primordial Scalar Perturbations Reviewed
Daniel Baumann, P.J. Steinhardt, K. Takahashi, K. Ichiki
Phys. Rev. D Vol. 76 page： 084019 2007
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Constraints on Generalized Dark Energy from Recent Observations Reviewed
K. Ichiki, T. Takahashi
Phys. Rev. D Vol. 75 page： 123002 2007
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Lepton asymmetry in the primordial gravitational wave spectrum Reviewed
K. Ichiki, M. Yamaguchi, J. Yokoyama
Phys. Rev. D Vol. 75 page： 084017 2007
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*Cosmological Magnetic Field: a fossil of density perturbations in the early universe Reviewed
K. Ichiki, K. Takahashi, H. Ohno, H. Hanayama, N. Sugiyama
Science Vol. 311 page： 787-788 2006.2
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Effect of Primordial Magnetic Field on Seeds for Large Scale Structure Reviewed
D. G. Yamazaki, K. Ichiki, K. Umezu, H. Hanayama
Phys. Rev. D Vol. 74 page： 123518 2006
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Constraints on the evolution of the primordial magnetic field from the small scale cmb angular anisotropy Reviewed
D. G. Yamazaki, K. Ichiki, T. Kajino, G. J. Mathews
Astrophys. J. Vol. 646 page： 719 2006
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Observational Constraints on Accelerating Brane Cosmology with Exchange between the Bulk and Brane Reviewed
K. Umezu, K. Ichiki, T. Kajino, G.J.Mathews, R. Nakamura, M. Yahiro
Phys. Rev. D Vol. 73 page： 063527 2006
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Magnetic Field Generation from Cosmological Perturbations Reviewed
K. Takahashi, K. Ichiki, H. Ohno, H. Hanayama
Phys. Rev. Lett. Vol. 95 page： 121301 2005
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Biermann Mechanism in Primordial Supernova Remnant and Seed Magnetic Fields Reviewed
H. Hanayama, H. Takahashi, K. Kotake, M. Oguri, K. Ichiki, H. Ohno
Astrophys. J. Vol. 633 page： 941 2005
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Cosmological Constraints on Newton's Constant Reviewed
K. Umezu, K. Ichiki, M. Yahiro
Phys. Rev. D Vol. 72 page： 044010 2005
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Constraining Primordal Magnetic Field from CMB Anisotropies at Higher Multipoles Reviewed
D. G. Yamazaki, K. Ichiki, T. Kajino
Astrophys.J. Vol. 625 page： L1-L4 2005
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Constraints on Resonant Particle Production during Inflation from the Matter and CMB Power Spectrum Reviewed
G. J. Mathews, D. Chung, K. Ichiki, T. Kajino, M. Orito
Phys. Rev. D Vol. 70 page： 083505 2004
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Causal Structure and Gravitational Waves in Brane World Cosmology Reviewed
K. Ichiki, K. Nakamura
Phys. Rev. D Vol. 70 page： 064017 2004
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*Constraints from the Wilkinson Microwave Anisotropy Probe on decaying cold dark matter Reviewed
K. Ichiki, M. Oguri, K. Takahashi
Phys. Rev. Lett. Vol. 93 page： 071302 2004
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Sunyaev-Zel'dovich power spectrum with decaying cold dark matter Reviewed
K. Takahashi, M. Oguri, K. Ichiki
Mon.Not.Roy.Astron.Soc. Vol. 352 page： 311-317 2004
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New Classes of Cosmic Energy and Primordial Black Hole Formation Reviewed
K. Ichiki, M. Orito and T. Kajino
Astropart. Phys Vol. 20 page： 499-505 2004
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Disappearing Dark Matter in Brane World Cosmology: New Limits on Non Compact Extra Dimensions Reviewed
K. Ichiki, P. M. Garnavich, T. Kajino, G. J. Mathews and M. Yahiro
Phys. Rev. D Vol. 68 page： 083518 2003
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*Observational Constraints on Dark Radiation in Brane Cosmology Reviewed
K. Ichiki, M. Yahiro, T. Kajino, M. Orito and G. J. Mathews
Phys. Rev. D Vol. 66 page： 043521 2002
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Constraints on Cosmic Quintessence and Quintessensial Inflation Reviewed
M. Yahiro, G. J. Mathews, K. Ichiki, T. Kajino and M. Orito
Phys. Rev. D Vol. 65 page： 063502 2002