Faculty Profiles - KONTANI, Hiroshi

Papers - KONTANI, Hiroshi

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Origin of switchable quasiparticle-interference chirality in loop-currentphase of kagome metals measured by scanning-tunneling-microscopy Reviewed Open Access

Seigo Nakazawa, Rina Tazai, Youichi Yamakawa, Seiichiro Onari, and Hiroshi Kontani

Nature Communications Vol. 16 page： 9545-1 - 9545-11 2025.10

Quantum metric–induced giant and reversible nonreciprocal transport phenomena in chiral loop-current phases of kagome metals Reviewed Open Access

Rina Tazai, Youichi Yamakawa, Takahiro Morimoto, and Hiroshi Kontani

Proceedings of the National Academy of Sciences of the United States of America Vol. 122 page： e2503645122 - 10 2025.8

Drastic magnetic-field-induced chiral current order and emergent current-bond-field interplay in kagome metals Reviewed

Tazai, R; Yamakawa, Y; Kontani, H

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA Vol. 121 ( 3 ) page： e2303476121 - 10 2024.1

Charge-loop current order and Z3 nematicity mediated by bond order fluctuations in kagome metals Reviewed Open Access

Tazai, R; Yamakawa, Y; Kontani, H

NATURE COMMUNICATIONS Vol. 14 ( 1 ) 2023.11

Unconventional density waves and superconductivities in Fe-based superconductors and other strongly correlated electron systems Invited Reviewed Open Access

Hiroshi Kontani, Rina Tazai, Youichi Yamakawa, Seiichiro Onari

Advances in Physics Vol. 3 page： 355 - 443 2023.1

Mechanism of exotic density-wave and beyond-Migdal unconventional superconductivity in kagome metal AV(3)Sb(5) (A = K, Rb, Cs) Reviewed Open Access

Tazai Rina, Yamakawa Youichi, Onari Seiichiro, Kontani Hiroshi

SCIENCE ADVANCES Vol. 8 ( 13 ) page： eabl4108 - 9 2022.4

SU(4) Valley + Spin Fluctuation Interference Mechanism for Nematic Order in Magic-Angle Twisted Bilayer Graphene: The Impact of Vertex Corrections Reviewed Open Access

Onari Seiichiro, Kontani Hiroshi

PHYSICAL REVIEW LETTERS Vol. 128 ( 6 ) page： 066401 - 5 2022.2

Paramagnon-Interference Mechanism for Three-Dimensional Bond Order in Kagome Metals AV3Sb5 (A = Cs, Rb, K): Analysis by the Density-Wave Equation Reviewed

Seiichiro Onari, Rina Tazai, Youichi Yamakawa, and Hiroshi Kontani

J. Phys. Soc. Jpn. Vol. 95 page： 044707-1 - 044707-9 2026.3

Unified mechanism of charge-density-wave and high-Tc superconductivity protected from oxygen vacancies in bilayer nickelates Reviewed Open Access

Daisuke Inoue, Youichi Yamakawa, Seiichiro Onari, Hiroshi Kontani

Communications Physics Vol. 9 page： 2511 2026.2

Probing the Fine Symmetry Breaking in High-Temperature Superconductor Bi2Sr2CaCu2O8+δ with Angle-Resolved Nonreciprocal Transport Reviewed International coauthorship

Wanghao Tian, Ruihan Wang, Youichi Yamakawa, Rina Tazai, Meng Zhao, Zherui Yang, Yulia Lekina, X. Renshaw Wang, G. D. Gu, Jinghua Teng, Zexiang Shen, Takahiro Morimoto, Hiroshi Kontani, Peng Song

ACS Applied Materials & Interfaces Vol. 17 page： 68074 - 68082 2025.12

Odd-parity bond order and induced nonreciprocal transport in the kagome metal CsTi3⁢Bi5 driven by quantum interference Reviewed

Jianxin Huang, Youichi Yamakawa, Rina Tazai, Takahiro Morimoto, and Hiroshi Kontani

Physical Review B Vol. 111 page： 125153 - 13 2025.3

Giant impurity effects on charge loop current order states in kagome metals Reviewed

Seigo Nakazawa, Rina Tazai, Youichi Yamakawa, Seiichiro Onari, and Hiroshi Kontani

physical Review B Vol. 111 page： 075161-1 - 075161-10 2025.2

Coherence Length of Electronic Nematicity in Iron-Based Superconductors Reviewed

Kageyama, Y; Onishi, A; Ishida, K; Mizukami, Y; Ishida, S; Eisaki, H; Hashimoto, K; Taniuchi, T; Shin, S; Kontani, H; Shibauchi, T

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 93 ( 10 ) page： 103702-1 - 103702-5 2024.10

Robust T-linear resistivity due to SU(4) valley and spin fluctuation mechanism in magic-angle twisted bilayer graphene Reviewed

Inoue, D; Onari, S; Kontani, H

PHYSICAL REVIEW B Vol. 109 ( 20 ) 2024.5

Real-space Loop Current Pattern in Time-reversal-symmetry Breaking Phase in Kagome Metals Reviewed Open Access

Koki Shimura, Rina Tazai, Youichi Yamakawa, Seiichiro Onari, and Hiroshi Kontani

Journal of the Physical Society of Japan Vol. 93 page： 033704 2024.2

Low temperature phase transitions inside the CDW phase in the kagome metals AV3Sb5 (A = Cs, Rb, K): Significance of mixed-type Fermi surface electron correlations Reviewed

Huang, JX; Tazai, R; Yamakawa, Y; Onari, S; Kontani, H

PHYSICAL REVIEW B Vol. 109 ( 4 ) 2024.1

Evidence for an odd-parity nematic phase above the charge-density-wave transition in a kagome metal Reviewed International coauthorship

T. Asaba, A. Onishi, Y. Kageyama, T. Kiyosue, K. Ohtsuka, S. Suetsugu, Y. Kohsaka, T. Gaggl, Y. Kasahara, H. Murayama, K. Hashimoto, R. Tazai, H. Kontani, B. R. Ortiz, S. D. Wilson, Q. Li, H. -H. Wen, T. Shibauchi, and Y, Matsuda

Nature Physics Vol. 20 page： 40 - 46 2024.1

Three-dimensional bond-order instability in infinite-layer nickelates due to nonlocal quantum interference Invited Reviewed Open Access

Seiichiro Onari and Hiroshi Kontani

Physical Review B Vol. 108 page： L241119 2023.12

Rigorous formalism for unconventional symmetry breaking in Fermi liquid theory and its application to nematicity in FeSe Reviewed Open Access

Tazai Rina, Matsubara Shun, Yamakawa Youichi, Onari Seiichiro, Kontani Hiroshi

PHYSICAL REVIEW B Vol. 107 ( 3 ) 2023.1

Correlation-driven electronic nematicity in the Dirac semimetal BaNiS2 Reviewed Open Access

Butler Christopher John, Kohsaka Yuhki, Yamakawa Youichi, Bahramy Mohammad Saeed, Onari Seiichiro, Kontani Hiroshi, Hanaguri Tetsuo, Shamoto Shinichi

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA Vol. 119 ( 49 ) 2022.11

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Papers - KONTANI, Hiroshi