Basic Information

Email Address

• Email Address

  tazai.rina.2ykyoto-u.ac.jp

Academic Degree

• 27 Mar. 2017

  名古屋大学修士（理学）
• 25 Mar. 2020

  名古屋大学博士（理学）

Academic Resume (Undergraduate School/Majors)

• 名古屋大学, 理学部物理学科, 卒業

ID,URL

• ORCID ID

  0000-0001-9794-3600

• J-Global ID

  202001006302849174

researchmap URL

• https://researchmap.jp/tazai

Research

Papers

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

  Tomoya Asaba; A. Onishi; Y. Kageyama; T. Kiyosue; K. Ohtsuka; Shota Suetsugu; Yuhki Kohsaka; Tobi Gaggl; Yuichi Kasahara; H. Murayama; Kenichiro Hashimoto; R. Tazai; Hiroshi Kontani; Brenden Ortiz; Stephen Wilson; Qing Li; Hai-Hu Wen; Takasada Shibauchi; Yuji Matsuda

  Nature Physics, 01 Apr. 2024

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

  Seigo Nakazawa; Rina Tazai; Youichi Yamakawa; Seiichiro Onari; Hiroshi Kontani

  Physical Review B, 25 Feb. 2025

  
• Revealing the Orbital Composition of Heavy Fermion Quasiparticles in CeRu2Si2

  Kevin P. Kramer; Rina Tazai; Karin von Arx; Masafumi Horio; Julia Küspert; Qisi Wang; Yasmine Sassa; Timur K. Kim; Céphise Cacho; Julien E. Rault; Patrick Le Fèvre; François Bertran; Marc Janoschek; Nicolas Gauthier; Daniel Mazzone; Ramzy Daou; Johan Chang

  Journal of the Physical Society of Japan, 15 Oct. 2023

  
• Plain s-Wave Superconductivity near Magnetic Criticality: Enhancement of Attractive Electron-Boson Coupling Vertex Corrections

  Rina Tazai; Youichi Yamakawa; Masahisa Tsuchiizu; Hiroshi Kontani

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jul. 2017, Peer-reviewed

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

  Rina Tazai; Youichi Yamakawa; Hiroshi Kontani

  Proceedings of the National Academy of Sciences, 16 Jan. 2024

  
• Unconventional density waves and superconductivities in Fe-based superconductors and other strongly correlated electron systems

  Hiroshi Kontani; Rina Tazai; Youichi Yamakawa; Seiichiro Onari

  01 Sep. 2022

  
• Charge-loop current order and Z3 nematicity mediated by bond-order fluctuations in kagome metal AV3Sb5 (A=Cs,Rb,K)

  Rina Tazai; Youichi Yamakawa; Hiroshi Kontani

  17 Jul. 2022

  
• A Rigorous Formalism of Unconventional Symmetry Breaking in Fermi Liquid Theory and Its Application to Nematicity in FeSe

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

  04 May 2022

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

  Rina Tazai; Youichi Yamakawa; Seiichiro Onari; Hiroshi Kontani

  Science Advances, Apr. 2022

  
• d- and p-wave Quantum Liquid Crystal Orders in Cuprate Superconductors, κ-(BEDT-TTF)2X, and Coupled Chain Hubbard Models: Functional-renormalization-group Analysis

  Rina Tazai; Youichi Yamakawa; Masahisa Tsuchiizu; Hiroshi Kontani

  Journal of the Physical Society of Japan, 15 Nov. 2021

  
• Prediction of pseudogap formation due to d-wave bond-order in organic superconductor kappa-(BEDT-TTF)(2)X

  Rina Tazai; Youichi Yamakawa; Masahisa Tsuchiizu; Hiroshi Kontani

  PHYSICAL REVIEW RESEARCH, May 2021

  
• Emergence of charge loop current in the geometrically frustrated Hubbard model: A functional renormalization group study

  Rina Tazai; Youichi Yamakawa; Hiroshi Kontani

  Physical Review B, 28 Apr. 2021

  
• Odd-parity spin-loop-current order mediated by transverse spin fluctuations in cuprates and related electron systems

  Hiroshi Kontani; Youichi Yamakawa; Rina Tazai; Seiichiro Onari

  PHYSICAL REVIEW RESEARCH, Feb. 2021

  
• Multipole fluctuation theory for heavy fermion systems: Application to multipole orders in CeB6

  Rina Tazai; Hiroshi Kontani

  PHYSICAL REVIEW B, Dec. 2019

  
• Hexadecapole Fluctuation Mechanism for s-wave Heavy Fermion Superconductor CeCu2Si2: Interplay between Intra- and Inter-Orbital Cooper Pairs

  Rina Tazai; Hiroshi Kontani

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jun. 2019

  
• Fully gapped s-wave superconductivity enhanced by magnetic criticality in heavy-fermion systems

  Rina Tazai; Hiroshi Kontani

  PHYSICAL REVIEW B, Nov. 2018

  
• Functional renormalization group study of orbital fluctuation mediated superconductivity: Impact of the electron-boson coupling vertex corrections

  Rina Tazai; Youichi Yamakawa; Masahisa Tsuchiizu; Hiroshi Kontani

  PHYSICAL REVIEW B, Sep. 2016, Peer-reviewed

  
• Upper limit on the amplitude of gravitational waves around 0.1Hz from the Global Positioning System

  Shohei Aoyama; Rina Tazai; Kiyotomo Ichiki

  18 Feb. 2014

  

Misc.

• Theory of s-wave superconductivity near AFM phase; Analysis of multi-orbital Hubbard-Holstein model

  Tazai Rina; Yamakawa Youichi; Tsuchiizu Masahisa; Kontani Hiroshi

  Meeting Abstracts of the Physical Society of Japan, 2017

  
• 19pBN-8 Triplet superconductivity originated by orbital uctuations studied by fRG method

  Tazai R.; Yamakawa Y.; Tsuchiizu M.; Kontani H.

  Meeting Abstracts of the Physical Society of Japan, 2016

  
• Theoretical study on multi-orbital superconductivity with U-VC

  Tazai Rina; Yamakawa Youichi; Tsuchiizu Masahisa; Kontani Hiroshi

  Meeting Abstracts of the Physical Society of Japan, 2016

  
• Mechanism of plain s-wave superconductivity and multipole fluctuation in heavy fermion compounds: Impact of vertex corrections for coupling constant U

  Tazai Rina; Yamakawa Youichi; Kontani Hiroshi

  Meeting Abstracts of the Physical Society of Japan, 2018

  
• Theory of s-wave superconductivity near AFM phase: Cooperation of electron-electron, electron-phonon, and spin-orbit interactions

  Tazai Rina; Yamakawa Youichi; Kontani Hiroshi

  Meeting Abstracts of the Physical Society of Japan, 2017

  

Awards

• 07 Mar. 2025

  第１７回京都大学たちばな賞（優秀女性研究者奨励賞）

External funds: Kakenhi

• 電子相関と幾何学構造が創発する新規量子相および非線形外場応答の理論

  Grant-in-Aid for Scientific Research (B)

  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related

  Nagoya University

  紺谷 浩

  From 01 Apr. 2024, To 31 Mar. 2027, Granted

  電子相関;新規量子相;電流秩序;非相反応答;カゴメ金属

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K00568/
• くりこみ群による構造因子最適化理論によるカゴメ金属の研究

  Grant-in-Aid for Early-Career Scientists

  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related

  Kyoto University

  田財 里奈

  From 01 Apr. 2022, To 31 Mar. 2026, Granted

  カゴメ超伝導;後方散乱;電荷ループ秩序;ウムクラップ散乱;van hove singularity;時間反転対称性の破れ;電子多体散乱;カゴメ格子超伝導;くりこみ群;スピン軌道相互作用

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K14003/
• Many body theory with spin-orbit coupling based on fRG

  Grant-in-Aid for Research Activity Start-up

  0202:Condensed matter physics, plasma science, nuclear engineering, earth resources engineering, energy engineering, and related fields

  Kyoto University;Nagoya University

  Rina Tazai

  From 11 Sep. 2020, To 31 Mar. 2024, Project Closed

  超伝導;電荷整列秩序;多体効果;カゴメ超伝導;電荷ループ秩序;非相反伝導;磁場;電荷ループ;多体理論;カゴメ系超伝導;ボンド秩序;汎関数くりこみ群;電荷ループ相;幾何学的フラストレーション;多体相関;非局所多極子秩序

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20K22328/
• 量子金属における創発現象の相関設計

  Grant-in-Aid for Transformative Research Areas (A)

  Transformative Research Areas, Section (II)

  Kyoto University

  田財 里奈

  From 01 Apr. 2025, To 31 Mar. 2030, Adopted

  https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-25H01248/

Education

Teaching subject(s)

• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Physics of Matter : Condensed Matter Physics A

  2079, Spring, Graduate School of Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Physics of Matter : Condensed Matter Physics D

  2082, Fall, Graduate School of Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Physics of Matter : Condensed Matter Physics C

  2081, Spring, Graduate School of Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Physics of Matter : Condensed Matter Physics B

  2080, Fall, Graduate School of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Physics of Matter : Condensed Matter Physics C

  2081, Spring, Graduate School of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Physics of Matter : Condensed Matter Physics B

  2080, Fall, Graduate School of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Physics of Matter : Condensed Matter Physics A

  2079, Spring, Graduate School of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Physics of Matter : Condensed Matter Physics D

  2082, Fall, Graduate School of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Physics of Matter : Condensed Matter Physics A

  2079, Spring, Graduate School of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Physics of Matter : Condensed Matter Physics D

  2082, Fall, Graduate School of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Physics of Matter : Condensed Matter Physics C

  2081, Spring, Graduate School of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Physics of Matter : Condensed Matter Physics B

  2080, Fall, Graduate School of Science, 2