Papers - ICHIKI, Kiyotomo
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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