論文 - 山川 洋一
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Unusual nodal behaviors of the superconducting gap in the iron-based superconductor Ba(Fe0.65Ru0.35)(2)As-2: Effects of spin-orbit coupling 査読有り
Liu L., Okazaki K., Yoshida T., Suzuki H., Horio M., Ambolode L. C. C. II, Xu J., Ideta S., Hashimoto M., Lu D. H., Shen Z. -X., Ota Y., Shin S., Nakajima M., Ishida S., Kihou K., Lee C. H., Iyo A., Eisaki H., Mikami T., Kakeshita T., Yamakawa Y., Kontani H., Uchida S., Fujimori A.
PHYSICAL REVIEW B 95 巻 ( 10 ) 頁： 104504 2017年3月
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Low Carrier Density Metal Realized in Candidate Line-Node Dirac Semimetals CaAgP and CaAgAs 査読有り
Okamoto Yoshihiko, Inohara Takumi, Yamakage Ai, Yamakawa Youichi, Takenaka Koshi
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85 巻 ( 12 ) 2016年12月
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Functional renormalization group study of orbital fluctuation mediated superconductivity: Impact of the electron-boson coupling vertex corrections 査読有り
Tazai Rina, Yamakawa Youichi, Tsuchiizu Masahisa, Kontani Hiroshi
PHYSICAL REVIEW B 94 巻 ( 11 ) 2016年9月
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Synthesis and Superconducting Properties of a Hexagonal Phosphide ScRhP 査読有り
Inohara Takumi, Okamoto Yoshihiko, Yamakawa Youichi, Takenaka Koshi
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85 巻 ( 9 ) 2016年9月
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Theoretical prediction of nematic orbital-ordered state in the Ti oxypnictide superconductor BaTi2(As,Sb)(2)O 査読有り
Nakaoka Hironori, Yamakawa Youichi, Kontani Hiroshi
PHYSICAL REVIEW B 93 巻 ( 24 ) 2016年6月
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p-orbital density wave with d symmetry in high-T-c cuprate superconductors predicted by renormalization-group plus constrained RPA theory 査読有り
Tsuchiizu Masahisa, Yamakawa Youichi, Kontani Hiroshi
PHYSICAL REVIEW B 93 巻 ( 15 ) 2016年4月
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Superconductivity in the Hexagonal Ternary Phosphide ScIrP 査読有り
Okamoto Yoshihiko, Inohara Takumi, Yamakawa Youichi, Yamakage Ai, Takenaka Koshi
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85 巻 ( 1 ) 2016年1月
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Line-Node Dirac Semimetal and Topological Insulating Phase in Noncentrosymmetric Pnictides CaAgX (X = P, As) 査読有り
Yamakage Ai, Yamakawa Youichi, Tanaka Yukio, Okamoto Yoshihiko
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85 巻 ( 1 ) 2016年1月
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Superconductivity pairing mechanism from cobalt impurity doping in FeSe: Spin (s±) or orbital (s++) fluctuation 査読有り
T. Urata, Y. Tanabe, K. K. Huynh, Y. Yamakawa, H. Kontani, K. Tanigaki
Physical Review B 93 巻 ( 1 ) 頁： 014507 2016年1月
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Momentum-dependent sign inversion of orbital order in superconducting FeSe 査読有り
Y. Suzuki, T. Shimojima, T. Sonobe, A. Nakamura, M. Sakano, H. Tsuji, J. Omachi, K. Yoshioka, M. Kuwata-Gonokami, T. Watashige, R. Kobayashi, S. Kasahara, T. Shibauchi, Y. Matsuda, Y. Yamakawa, H. Kontani, K. Ishizaka
Physical Review B 92 巻 ( 20 ) 頁： 205117 2015年11月
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Revisiting orbital-fluctuation-mediated superconductivity in LiFeAs: Nontrivial spin-orbit interaction effects on the band structure and superconducting gap function 査読有り
Saito Tetsuro, Yamakawa Youichi, Onari Seiichiro, Kontani Hiroshi
PHYSICAL REVIEW B 92 巻 ( 13 ) 2015年10月
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Quasiparticle interference in Fe-based superconductors based on a five-orbital tight-binding model 査読有り
Yamakawa Youichi, Kontani Hiroshi
PHYSICAL REVIEW B 92 巻 ( 4 ) 2015年7月
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Spin-Fluctuation-Driven Nematic Charge-Density Wave in Cuprate Superconductors: Impact of Aslamazov-Larkin Vertex Corrections 査読有り
Yamakawa Youichi, Kontani Hiroshi
PHYSICAL REVIEW LETTERS 114 巻 ( 25 ) 頁： 257001-1 - 257001-6 2015年6月
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Spin-triplet superconductivity in Sr2RuO4 due to orbital and spin fluctuations: Analyses by two-dimensional renormalization group theory and self-consistent vertex-correction method 査読有り
Tsuchiizu Masahisa, Yamakawa Youichi, Onari Seiichiro, Ohno Yusuke, Kontani Hiroshi
PHYSICAL REVIEW B 91 巻 ( 15 ) 2015年4月
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Quantum critical behavior in heavily doped LaFeAsO1-xHx pnictide superconductors analyzed using nuclear magnetic resonance 査読有り
R. Sakurai, N. Fujiwara, N. Kawaguchi, Y. Yamakawa, H. Kontani, S. Iimura, S. Matsuishi, H. Hosono
Physical Review B 91 巻 ( 6 ) 頁： 064509 2015年2月
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Linear Response Theory for Shear Modulus C-66 and Raman Quadrupole Susceptibility: Evidence for Nematic Orbital Fluctuations in Fe-based Superconductors 査読有り
Kontani Hiroshi, Yamakawa Youichi
PHYSICAL REVIEW LETTERS 113 巻 ( 4 ) 2014年7月
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Reproduction of experimental gap structure in LiFeAs based on orbital-spin fluctuation theory: s(++)-wave, s(+/-)-wave, and hole-s(+/-)-wave states 査読有り
Saito Tetsuro, Onari Seiichiro, Yamakawa Youichi, Kontani Hiroshi, Borisenko Sergey V., Zabolotnyy Volodymyr B.
PHYSICAL REVIEW B 90 巻 ( 3 ) 2014年7月
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High-T-c Superconductivity near the Anion Height Instability in Fe-Based Superconductors: Analysis of LaFeAsO1-xHx 査読有り
Onari Seiichiro, Yamakawa Youichi, Kontani Hiroshi
PHYSICAL REVIEW LETTERS 112 巻 ( 18 ) 2014年5月
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Zigzag Chain Structure Transition and Orbital Fluctuations in Ni-Based Superconductors 査読有り
Yamakawa Youichi, Onari Seiichiro, Kontani Hiroshi
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 82 巻 ( 9 ) 2013年9月
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Detection of Antiferromagnetic Ordering in Heavily Doped LaFeAsO1-xHx Pnictide Superconductors Using Nuclear-Magnetic-Resonance Techniques 査読有り
N. Fujiwara, S. Tsutsumi, S. Iimura, S. Matsuishi, H. Hosono, Y. Yamakawa, H. Kontani
Physical Review Letters 111 巻 ( 9 ) 頁： 097002 2013年8月