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Quantum Electrodynamics in Solids: Dynamical Properties of Dirac and Weyl Materials

Research Project

Project/Area Number 18K03482
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related
Research InstitutionThe University of Tokyo

Principal Investigator

MAEBASHI Hideaki  東京大学, 大学院理学系研究科(理学部), 特任研究員 (30361661)

Co-Investigator(Kenkyū-buntansha) 松浦 弘泰  東京大学, 大学院理学系研究科(理学部), 助教 (40596607)
Project Period (FY) 2018-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywordsディラック電子系 / ワイルフェルミオン系 / 量子電磁力学 / 軌道磁性 / 核磁気緩和 / ノーダルライン半金属 / 輸送現象 / 熱電効果 / ワイル半金属 / 反磁性 / 分子性固体 / 有機導体 / 電磁双対性 / 動的応答 / コンダクタンスの量子化 / 核磁気共鳴 / 電磁的双対性 / ゲージ不変性 / 軌道磁化率 / ナローギャップ半導体 / 誘電率
Outline of Final Research Achievements

Theoretical studies on the dynamical responses of Dirac-Weyl fermion systems have been carried out using field-theoretical methods (QED in solids) corresponding to quantum electrodynamics, and the following results were obtained: (1) The relationship between the electric and magnetic responses in Dirac electron systems was clarified. (2) We developed a theory of nuclear magnetic relaxation due to orbital currents in Weyl fermion systems and clarified the effect of disorder on it. (3) The large orbital diamagnetisms of molecular solids α-(BETS)2I3 and HMTSF-TCNQ were quantitatively evaluated and found to be in good agreement with experimental results. (4) The transport and thermoelectric properties of various Dirac-type materials were theoretically predicted.

Academic Significance and Societal Importance of the Research Achievements

本研究は、ディラック電子系物質と量子電磁力学(QED)では特徴的な長さやエネルギーの尺度が大きく異なるにもかかわらず、それらの電気的性質と磁気的性質の間には共通の関係があるという階層構造を明確にしたという点で学術的意義がある。さらに、本研究で見出したディラック電子系物質における軌道反磁性と電気伝導の間に成立する関係等の基礎学理、またディラック電子系関連物質の発見や解析は、磁性と輸送が絡んだ社会的ニーズがある新奇機能性物質を開拓する際の指針につながると期待される。

Report

(6 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (71 results)

All 2023 2022 2021 2020 2019 2018 Other

All Int'l Joint Research (2 results) Journal Article (18 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 18 results,  Open Access: 3 results) Presentation (51 results) (of which Int'l Joint Research: 16 results,  Invited: 12 results)

  • [Int'l Joint Research] マサチューセッツ工科大学(米国)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] ウイーン工科大学(オーストリア)

    • Related Report
      2021 Research-status Report
  • [Journal Article] Thermoelectric properties in semimetals with inelastic electron-hole scattering2023

    • Author(s)
      Takahashi Keigo、Matsuura Hiroyasu、Maebashi Hideaki、Ogata Masao
    • Journal Title

      Physical Review B

      Volume: 107 Issue: 11 Pages: 1151581-7

    • DOI

      10.1103/physrevb.107.115158

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Theoretical analysis of anisotropic upper critical field of superconductivity in nodal-line semimetals2023

    • Author(s)
      Endo Junya、Matsuura Hiroyasu、Ogata Masao
    • Journal Title

      Physical Review B

      Volume: 107 Issue: 9

    • DOI

      10.1103/physrevb.107.094521

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Nodal Line and Orbital Magnetic Susceptibility in Organic Conductors2022

    • Author(s)
      尾崎 壮駿、立石 幾真、松浦 弘泰、小形 正男
    • Journal Title

      Butsuri

      Volume: 77 Issue: 11 Pages: 751-756

    • DOI

      10.11316/butsuri.77.11_751

    • ISSN
      0029-0181, 2423-8872
    • Year and Date
      2022-11-05
    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Data-Driven Reconstruction of Spectral Conductivity and Chemical Potential Using Thermoelectric Transport Properties2022

    • Author(s)
      Hirosawa Tomoki、Schafer Frank、Maebashi Hideaki、Matsuura Hiroyasu、Ogata Masao
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 91 Issue: 11 Pages: 1146031-12

    • DOI

      10.7566/jpsj.91.114603

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Thermoelectric transport of type-I, II, and III massless Dirac fermions in a two-dimensional lattice model2022

    • Author(s)
      Mizoguchi Tomonari、Matsuura Hiroyasu、Ogata Masao
    • Journal Title

      Physical Review B

      Volume: 105 Issue: 20 Pages: 2052031-11

    • DOI

      10.1103/physrevb.105.205203

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Large Diamagnetism and Electromagnetic Duality in Two-Dimensional Dirac Electron System2022

    • Author(s)
      Fujiyama S.、Maebashi H.、Tajima N.、Tsumuraya T.、Cui H-B.、Ogata M.、Kato R.
    • Journal Title

      Physical Review Letters

      Volume: 128 Issue: 2 Pages: 1-6

    • DOI

      10.1103/physrevlett.128.027201

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Anomalous Spin Transport Properties of Gapped Dirac Electrons with Tilting2022

    • Author(s)
      Ogata Masao、Ozaki Soshun、Matsuura Hiroyasu
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 91 Issue: 2

    • DOI

      10.7566/jpsj.91.023708

    • NAID

      210000159594

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Thin films of topological nodal line semimetals as a candidate for efficient thermoelectric converters2022

    • Author(s)
      M. Hosoi, I. Tateishi, H. Matsuura, M. Ogata
    • Journal Title

      Physical Review B

      Volume: 105 Issue: 8

    • DOI

      10.1103/physrevb.105.085406

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Effect of paramagnon drag on thermoelectric transport properties: Linear response theory2022

    • Author(s)
      J. Endo, H. Matsuura, M. Ogata
    • Journal Title

      Physical Review B

      Volume: 105 Issue: 4

    • DOI

      10.1103/physrevb.105.045101

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Nodal-line semimetal HMTSF-TCNQ: Anomalous orbital diamagnetism and charge density wave2021

    • Author(s)
      Ozaki S.、Tateishi I.、Matsuura H.、Ogata M.、Hiraki K.
    • Journal Title

      Physical Review B

      Volume: 104 Issue: 15 Pages: 1-12

    • DOI

      10.1103/physrevb.104.155202

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Theory of huge thermoelectric effect based on a magnon drag mechanism: Application to thin-film Heusler alloy2021

    • Author(s)
      H. Matsuura, M. Ogata, T. Mori, E. Bauer
    • Journal Title

      Physical Review B

      Volume: 104 Issue: 21

    • DOI

      10.1103/physrevb.104.214421

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Theory of thermal conductivity of excitonic insulators2021

    • Author(s)
      S. Takarada, M. Ogata, H. Matsuura
    • Journal Title

      Physical Review B

      Volume: 104 Issue: 16

    • DOI

      10.1103/physrevb.104.165122

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] フォノンドラッグによるゼーベック効果-Boltzmann 理論を超えて-2020

    • Author(s)
      松浦弘泰, 前橋英明, 小形正男, 福山秀敏
    • Journal Title

      固体物理

      Volume: 55 Pages: 325-335

    • NAID

      40022311401

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Nuclear spin relaxation rate near the disorder-driven quantum critical point in Weyl fermion systems2020

    • Author(s)
      Tomoki Hirosawa, Hideaki Maebashi, and Masao Ogata
    • Journal Title

      Physical Review B

      Volume: 101 Issue: 15 Pages: 155103-155103

    • DOI

      10.1103/physrevb.101.155103

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Role of Velocity Field and Principal Axis of Tilted Dirac Cones in Effective Hamiltonian of Non-Coplanar Nodal Loop2019

    • Author(s)
      Yoshikazu Suzumura, Takao Tsumuraya, Reizo Kato, Hiroyasu Matsuura, and Masao Ogata
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 88 Issue: 12 Pages: 124704-124704

    • DOI

      10.7566/jpsj.88.124704

    • NAID

      40022096586

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Effect of Phonon Drag on Seebeck Coefficient Based on Linear Response Theory: Application to FeSb22019

    • Author(s)
      Hiroyasu Matsuura, Hideaki Maebashi, Masao Ogata, and Hidetoshi Fukuyama
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 88 Issue: 7 Pages: 074601-074601

    • DOI

      10.7566/jpsj.88.074601

    • NAID

      40021949367

    • Related Report
      2019 Research-status Report 2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Nuclear Magnetic Relaxation and Knight Shift Due to Orbital Interaction in Dirac Electron Systems2018

    • Author(s)
      H. Maebashi, T. Hirosawa, M. Ogata, and H. Fukuyama
    • Journal Title

      J. Phys. Chem. Solids

      Volume: 印刷中 Pages: 138-143

    • DOI

      10.1016/j.jpcs.2017.12.034

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Face Centered Cubic SnSe as a Z2 Trivial Dirac Nodal Line Material2018

    • Author(s)
      Ikuma Tateishi and Hiroyasu Matsuura
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 87 Issue: 7 Pages: 073702-073702

    • DOI

      10.7566/jpsj.87.073702

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] 電子ホール散乱を持つ半金属の磁場下でのHall Lorenz 比2023

    • Author(s)
      高橋慶伍、松浦弘泰、前橋英明、小形正男
    • Organizer
      日本物理学会2023年春季大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Theoretical analysis of anisotropic upper critical field in nodal-line semimetals2023

    • Author(s)
      J. Endo, H. Matsuura, and M. Ogata
    • Organizer
      APS March Meeting 2023
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 熱電の理論あれこれ2023

    • Author(s)
      松浦弘泰
    • Organizer
      研究会「トポロジカル熱電変換物性の最前線」
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 線形応答理論に基づいた熱電理論(Theory of Thermoelectric Effect Based on Linear Response Theory)2023

    • Author(s)
      Hiroyasu Matsuura
    • Organizer
      IEEE Kansai/Shikoku Joint Sections Magnetics Society Chapter Lecture
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] Lorenz ratio of anisotropic Fermi liquid2022

    • Author(s)
      H. Maebashi, K. Takahashi, H. Matsuura, and M. Ogata
    • Organizer
      29th International Conference on Low Temperature Physics (LT29)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Transport in semimetals: contribution from electron-hole scattering2022

    • Author(s)
      K. Takahashi, H. Matsuura, H. Maebashi, and M. Ogata
    • Organizer
      29th International Conference on Low Temperature Physics (LT29)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Upper critical field of superconductivity in nodalline semimetals2022

    • Author(s)
      J. Endo, H. Matsuura, and M. Ogata
    • Organizer
      29th International Conference on Low Temperature Physics (LT29)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 異方的フェルミ液体のローレンツ比:ウムクラップ散乱の効果2022

    • Author(s)
      前橋英明、高橋慶伍、松浦弘泰、小形正男
    • Organizer
      日本物理学会2022年秋季大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] エネルギー上下のあるノーダルライン半金属における軌道帯磁率2022

    • Author(s)
      尾崎壮駿、立石幾真、松浦弘泰、是常隆、小形正男
    • Organizer
      日本物理学会2022年秋季大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Topological nature and anomalous spin transport properties of Dirac electrons in organic conductors2022

    • Author(s)
      M. Ogata, S. Ozaki, and H. Matsuura
    • Organizer
      2nd Global Summit on Condensed Matter Physics (CONMAT2022)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Anomalous spin transport properties and orbital magnetic susceptibility in gapped Dirac electrons with tilting2022

    • Author(s)
      M. Ogata, S. Ozaki, and H. Matsuura
    • Organizer
      The 14th International Symposium on Crystalline Organic Metals, Superconductors and Magnets (ISCOM2022)
    • Related Report
      2022 Annual Research Report
  • [Presentation] 強相関電子系におけるプランキアン散逸とループカレント秩序2022

    • Author(s)
      前橋英明, Chandra M. Varma
    • Organizer
      日本物理学会第77回年次大会
    • Related Report
      2021 Research-status Report
  • [Presentation] 半金属における熱電効果の理論的研究:電子ホール散乱の寄与2022

    • Author(s)
      高橋慶伍、松浦弘泰、前橋英明、小形正男
    • Organizer
      日本物理学会第77回年次大会
    • Related Report
      2021 Research-status Report
  • [Presentation] Nodal-line semimetal HMTSF-TCNQ: Anomalous orbital diamagnetism and charge density wave2021

    • Author(s)
      S. Ozaki, I. Tateishi, H. Matsuura, M. Ogata,and K. Hiraki
    • Organizer
      Joint Conference: 24th International Conference on Electronic Properties of Two-Dimensional Systems/20th International Conference on Modulated Semiconductor Structures (EP2DS-24/MSS-20)
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Theory of Thermoelectric and Thermal Responses based on Linear Response Theory2021

    • Author(s)
      H. Matsuura
    • Organizer
      The 11th International Conference on Flexible and Printed Electronics (2021 ICFPE)
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 熱電測定を用いたデータ駆動による伝導度スペクトルの再構成2021

    • Author(s)
      廣澤智紀、F. Schaefer、前橋英明、松浦弘泰、小形正男
    • Organizer
      日本物理学会2021年秋季大会
    • Related Report
      2021 Research-status Report
  • [Presentation] ノーダルライン半金属HMTSF-TCNQ における電荷密度波と異常な軌道反磁性2021

    • Author(s)
      尾崎壮駿、立石幾真、松浦弘泰、小形正男、開康一
    • Organizer
      日本物理学会2021年秋季大会
    • Related Report
      2021 Research-status Report
  • [Presentation] 科研費研究会「分子性導体に着目した電気伝導・熱応答の研究会」2021

    • Author(s)
      前橋英明
    • Organizer
      おわりに
    • Related Report
      2021 Research-status Report
  • [Presentation] Effect of Phonon Drag on Seebeck Coefficient Based on Linear Response Theory2021

    • Author(s)
      Masao Ogata, Junya Endo, Hiroyasu Matsuura, Hideaki Maebashi, Hidetoshi Fukuyama
    • Organizer
      TMS2021 Annual Meeting & Exhibition
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 二次元ディラック電子系の電磁双対性:大きな軌道反磁性と量子化されたコンダクタンスを結ぶ関係2021

    • Author(s)
      前橋英明, 藤山茂樹, 小形正男
    • Organizer
      日本物理学会第76回年次大会
    • Related Report
      2020 Research-status Report
  • [Presentation] MoTe2における熱電効果の理論的研究2021

    • Author(s)
      松浦弘泰, 高橋英史, 小形正男
    • Organizer
      日本物理学会第76回年次大会
    • Related Report
      2020 Research-status Report
  • [Presentation] ノーダルライン半金属におけるホール伝導度と磁場角度依存性2021

    • Author(s)
      立石幾真, Viktor Konye, 松浦弘泰, 小形正男
    • Organizer
      日本物理学会第76回年次大会
    • Related Report
      2020 Research-status Report
  • [Presentation] 熱電現象におけるパラマグノンドラッグの理論2021

    • Author(s)
      遠藤純矢, 松浦弘泰, 小形正男
    • Organizer
      日本物理学会第76回年次大会
    • Related Report
      2020 Research-status Report
  • [Presentation] 常圧二次元ディラク電子系α-(BETS)2I3の軌道磁性2020

    • Author(s)
      藤山茂樹, 前橋英明, 崔亨波, 圓谷貴夫, 小形正男, 加藤礼三
    • Organizer
      日本物理学会2020年秋季大会
    • Related Report
      2020 Research-status Report
  • [Presentation] 起子絶縁体の熱伝導率に関する理論的研究II2020

    • Author(s)
      寶田真太, 小形正男, 松浦弘泰
    • Organizer
      日本物理学会2020年秋季大会
    • Related Report
      2020 Research-status Report
  • [Presentation] 常圧二次元ディラック電子系α-(BETS)2I3の軌道磁性:理論の立場から2020

    • Author(s)
      前橋英明
    • Organizer
      科研費合同研究会「分子性導体でみられる異常軌道磁化率の研究会」
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] 質量のない擬二次元ディラック電子系の軌道電流に起因する核磁気緩和2020

    • Author(s)
      前橋英明, 広沢智紀, 小形正男, 福山秀敏
    • Organizer
      日本物理学会第75回年次大会
    • Related Report
      2019 Research-status Report
  • [Presentation] 擬一次元有機錯体HMTSF-TCNQの異常物性の理論的研究2020

    • Author(s)
      宮藤大輔, 松浦弘泰, 小形正男
    • Organizer
      日本物理学会第75回年次大会
    • Related Report
      2019 Research-status Report
  • [Presentation] Nodal Line Semimetal in a Magnetic Field2020

    • Author(s)
      Viktor Konye, Hiroyasu Matsuura, Ikuma Tateishi, and Masao Ogata
    • Organizer
      日本物理学会第75回年次大会
    • Related Report
      2019 Research-status Report
  • [Presentation] エキシトニック絶縁体の熱伝導率に関する理論的研究2020

    • Author(s)
      寶田真太, 小形正男, 松浦弘泰
    • Organizer
      日本物理学会第75回年次大会
    • Related Report
      2019 Research-status Report
  • [Presentation] フォノンドラッグによる熱電効果の線形応答理論:FeSb2 への応用2019

    • Author(s)
      松浦弘泰
    • Organizer
      熱電変換材料の科学と工学の新展開
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] Diamagnetic Currents in Weyl Systems2019

    • Author(s)
      Hideaki Maebashi and Masao Ogata
    • Organizer
      International Conference on Topological Materials Science (TopoMat2019)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Nuclear spin lattice relaxation rate near the disorder-driven quantum critical point in Weyl fermion systems2019

    • Author(s)
      Tomoki Hirosawa, Hideaki Maebashi, and Masao Ogata
    • Organizer
      International Conference on Topological Materials Science (TopoMat2019)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] ディラック電子系の反磁性電流2019

    • Author(s)
      前橋英明, 小形正男
    • Organizer
      第13回物性科学領域横断研究会
    • Related Report
      2019 Research-status Report
  • [Presentation] 線形応答理論におけるゼーベック係数へのフォノンドラッグ効果の理論的研究2019

    • Author(s)
      松浦弘泰
    • Organizer
      熱電研究の新展開ワークショップ Workshop on “New Development of Thermoelectric Effect”
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] Effect of Phonon Drag on Seebeck Coefficient Based on Linear Response Theory: Application to FeSb22019

    • Author(s)
      Hiroyasu Matsuura
    • Organizer
      Swiss-Japan bilateral workshop, Trend in Theory of Correlated Materials
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Phonon-Drag Thermoelectric Effects in FeSb2 Based on Linear Response Theory2019

    • Author(s)
      Hiroyasu Matsuura, Hideaki Maebashi, Masao Ogata, and Hidetoshi Fukuyama
    • Organizer
      International Conference on Strongly Correlated Electron Systems (SCES2019)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] ディラック電子系の電磁応答に対するゲージ不変な定式化2019

    • Author(s)
      前橋英明, 小形正男
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Research-status Report
  • [Presentation] ビスマスにおける巨大ネルンスト効果の理論的研究2019

    • Author(s)
      松浦弘泰, 前橋英明, 小形正男, 福山秀敏
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Research-status Report
  • [Presentation] ノーダルライン物質の物性2019

    • Author(s)
      小形正男, 松浦弘泰, 立石幾真
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Research-status Report
  • [Presentation] 擬一次元有機錯体HMTSF-TCNQの軌道磁性に関する理論的研究2019

    • Author(s)
      宮藤大輔, 松浦弘泰, 小形正男
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Research-status Report
  • [Presentation] FeSb2 での巨大熱電効果:理論2019

    • Author(s)
      松浦弘泰
    • Organizer
      日本物理学会2019年秋季大会シンポジウム「熱電応答の最近の進展」
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] ディラック・ワイル・トポロジカル物質の軌道電流に起因する核磁気緩和率2019

    • Author(s)
      前橋英明
    • Organizer
      分子研研究会「有機ディラック電子系におけるトポロジカル現象と新奇物性開拓」
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] Duality between dielectricity and diamagnetism in Dirac materials in analogy with quantum electrodynamics2019

    • Author(s)
      Hideaki Maebashi, Masao Ogata, and Hidetoshi Fukuyama
    • Organizer
      APS March Meeting 2019
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Quantum Electrodynamics in Solids: Dielectric and Diamagnetic Properties of Dirac Materials2018

    • Author(s)
      Hideaki Maebashi, Masao Ogata, and Hidetoshi Fukuyama
    • Organizer
      International workshop "Variety and universality of bulk-edge correspondence in topological phases: From solid state physics to transdisciplinary concepts" (BEC2018X)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Nuclear-spin relaxation rate near the disorder-driven quantum critical point in Weyl fermion systems2018

    • Author(s)
      Tomoki Hirosawa, Hideaki Maebashi, and Masao Ogata
    • Organizer
      International workshop "Variety and universality of bulk-edge correspondence in topological phases: From solid state physics to transdisciplinary concepts" (BEC2018X)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Effect of Phonon Drag on Seebeck Coefficient Based on Linear Response Theory2018

    • Author(s)
      Hiroyasu Matsuura
    • Organizer
      Workshop on Thermal and Charge Transport across Flexible Nano-Interfaces (TCTFN2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 線形応答理論におけるゼーベック係数へのフォノンドラッグ効果2018

    • Author(s)
      松浦弘泰, 前橋英明, 小形正男, 福山秀敏
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Research-status Report
  • [Presentation] トポロジカル絶縁体の核磁気共鳴:表面電子状態の軌道効果2018

    • Author(s)
      前橋英明, 広沢智紀, 小形正男
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Research-status Report
  • [Presentation] 不純物下のワイル半金属における軌道核スピン緩和率とその臨界点近傍での振る舞いの研究2018

    • Author(s)
      広沢智紀, 前橋英明, 小形正男
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Research-status Report
  • [Presentation] ディラック電子系物質の分極テンソルとプラズマモード2018

    • Author(s)
      前橋英明, 小形正男, 福山秀敏
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2024-01-30  

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