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出版論文 (HPリニューアルにより、更新作業中)

学会・研究会・受賞等

    2020

  1. Hidden antiferronematic order in Fe-based superconductor BaFe2As2 and NaFeAs above TS
    S. Onari and H. Kontani,
    Phys. Rev. Research 2, 042005(R) (2020).
  2. Chiral Excitonic Instability of Two-Dimensional Tilted Dirac Cones
    D. Ohki, M. Hirata, T. Tani, K. Kanoda, and A. Kobayashi,
    Phys. Rev. Research 2, 033479 (2020).
  3. High-mobility carriers induced by chemical doping in the candidate nodal-line semimetal CaAgP
    Y. Okamoto, K. Saigusa, T. Wada, Y. Yamakawa, A. Yamakage, T. Sasagawa, N. Katayama, H. Takatsu, H. Kageyama, and K. Takenaka,
    Phys. Rev. B 102, 115101 (2020).
  4. Doping effects on electronic states in electron-doped FeSe: Impact of self-energy and vertex corrections
    Y. Yamakawa, S. Onari, and H. Kontani,
    Phys. Rev. B 102, 081108(R) (2020).
  5. Tight-Binding Model and Electronic Property of Dirac Nodal Line in Single-Component Molecular Conductor [Pt(dmdt)2]
    T. Kawamura, D. Ohki, B. Zhou, A. Kobayashi, and A. Kobayashi,
    J. Phys. Soc. Jpn. 89, 074704 (2020).
  6. Effect of Coulomb interactions on the Seebeck coefficient of the organic Dirac electron system α-(BEDT-TTF)2I3
    D. Ohki, Y. Omori, and A. Kobayashi,
    Phys. Rev. B 101, 245201 (2020).
  7. Emergence of d±ip-wave superconducting state at the edge of d-wave superconductors mediated by ferromagnetic fluctuations driven by Andreev bound states
    S. Matsubara and H. Kontani,
    Phys. Rev. B 101, 235103 (2020).
  8. 汎関数くりこみ群法による教相関電子系の研究 ー2次元電子系におけるネマティック秩序ー
    土射津昌久、田財里奈、山川洋一、紺谷浩、
    固体物理 Vol. 55, No. 5, pp. 195-203 (2020). (日本語記事)
  9. Emergence of strongly correlated electronic states driven by the Andreev bound state in d-wave superconductors
    S. Matsubara and H. Kontani,
    Phys. Rev. B 101, 075114 (2020).
  10. 2019

  11. Multipole fluctuation theory for heavy fermion systems: Application to multipole orders in CeB6
    R. Tazai and H. Kontani,
    Phys. Rev. B 100, 241103(R) (2019).
  12. 有機導体のディラック電子系における電子相関効果
    小林晃人、平田倫啓、鹿野田一司
    固体物理 Vol. 54 No. 10 pp. 495-504 (2019) (日本語記事)
  13. Superconductivity in PtSbS with a Noncentrosymmetric Cubic Crystal Structure
    R. Mizutani, Y. Okamoto, H. Nagaso, Y. Yamakawa, H. Takatsu, H. Kageyama, S. Kittaka, Y. Kono, T. Sakakibara, and K. Takenaka,
    J. Phys. Soc. Jpn. 88, 093709 (2019).
  14. Domain wall conductivity with strong Coulomb interaction of two dimensional massive Dirac electrons in the organic conductor α-(BEDT-TTF)2I3
    D. Ohki, Y. Omori, and A. Kobayashi
    Phys. Rev. B 100, 075206 (2019).
  15. Origin of diverse nematic orders in Fe-based superconductors: 45° rotated nematicity in AFe2As2 (A=Cs,Rb)
    S. Onari and H. Kontani,
    Phys. Rev. B 100, 020507(R) (2019).
  16. Pressure-induced quantum critical point in the heavily hydrogen-doped iron-based superconductor LaFeAsO
    M. Takeuchi, N. Fujiwara, T. Kuwayama, S. Nakagawa, S. Iimura, S. Matsuishi, Y. Yamakawa, H. Kontani, and H. Hosono
    Phys. Rev. B 99, 174517 (2019).
  17. Hexadecapole Fluctuation Mechanism for s-wave Heavy Fermion Superconductor CeCu2Si2: Interplay between Intra- and Inter-Orbital Cooper Pairs
    R. Tazai and H. Kontani,
    J. Phys. Soc. Jpn. 88, 063701 (2019).
  18. 中嶋 貞雄 博士-格子振動がもたらす電子間引力の発見
    紺谷浩
    名古屋大学理学部・大学院理学研究科広報誌[理philosophia] 36号 (2019) (日本語記事)
  19. Spin-Lattice Relaxation Rate in Organic Dirac Electron System α-(BEDT-TTF)2I3 under Strong Magnetic Field
    T. Tani and A. Kobayashi,
    J. Phys. Soc. Jpn. 88, 054713 (2019).
  20. Field-Angle Dependence of Interlayer Magnetoresistance in Organic Dirac Electron System α-(BEDT-TTF)2I3
    T. Tani, N. Tajima, and A. Kobayashi
    Crystals 9, 212 (2019).
  21. 2018

  22. Fully gapped s-wave superconductivity enhanced by magnetic criticality in heavy-fermion systems
    R. Tazai and H. Kontani
    Phys. Rev. B 98, 205107 (2018). (Editors' Suggestion)
  23. Self-energy driven resonancelike inelastic neutron spectrum in the s++-wave state in Fe-based superconductors
    L. Takeuchi, Y. Yamakawa, and H. Kontani
    Phys. Rev. B 98, 165143 (2018).
  24. Pairing mechanism for nodal s-wave superconductivity in BaFe2(As,P)2: Analysis beyond Migdal-Eliashberg formalism
    H. Nakaoka, Y. Yamakawa, and H. Kontani
    Phys. Rev. B 98, 125107 (2018).
  25. Edge-induced Strongly Correlated Electronic States in Two-dimensional Hubbard Model: Enhancement of Magnetic Correlations and Self-energy Effects
    S. Matsubara, Y. Yamakawa, and H. Kontani
    J. Phys. Soc. Jpn. 87, 073705 (2018).
  26. Coexistence of Velocity Renormalization and Ferrimagnetic Fluctuation in the Organic Dirac Electron System α-(BEDT-TTF)2I3
    G. Matsuno and A. Kobayashi
    J. Phys. Soc. Jpn. 87, 054706 (2018).
  27. Large thermoelectric power factor in one-dimensional telluride Nb4SiTe4 and substituted compounds
    Y. Okamoto, T. Wada, Y. Yamakawa, T. Inohara, and K. Takenaka
    Appl. Phys. Lett. 112, 173905 (2018).
  28. Multistage electronic nematic transitions in cuprate superconductors: A functional-renormalization-group analysis
    M. Tsuchiizu, K. Kawaguchi, Y. Yamakawa, and H. Kontani
    Phys. Rev. B 97, 165131 (2018).
  29. Melting of Domain Wall in Charge Ordered Dirac Electron of Organic Conductor α-(BEDT-TTF)2I3
    D. Ohki, G. Matsuno, Y. Omori, and A. Kobayashi
    J. Phys. Soc. Jpn. 87, 054703 (2018).
  30. 有機物質のディラックコーンにおける強相関効果
    平田倫啓, 鹿野田一司, 松野元樹, 小林晃人
    日本物理学会誌『最近の研究から』Vol. 73, No. 4, pp. 214-220, (2018). (日本語記事)
  31. Optical Conductivity in a Two-Dimensional Extended Hubbard Model for an Organic Dirac Electron System α-(BEDT-TTF)2I3
    D. Ohki, G. Matsuno, Y. Omori, and A. Kobayashi
    Crystals 8, 137 (2018).
  32. Abrupt change of the superconducting gap structure at the nematic critical point in FeSe1-xSx
    Y. Sato, S. Kasahara, T. Taniguchi, X. Xing, Y. Kasahara, Y. Tokiwa, Y. Yamakawa, H. Kontani, T. Shibauchi, and Y. Matsuda
    Proc. Natl. Acad. Sci. USA 115, 1227 (2018).
  33. Observation of Dirac-like energy band and ring-torus Fermi surface associated with tthe nodal line in topological insulator CaAgAs
    Daichi Takane, Kosuke Nakayama, Seigo Souma, Taichi Wada, Yoshihiko Okamoto, Koshi Takenaka, Youichi Yamakawa, Ai Yamakage, Taichi Mitsuhashi, Koji Horiba, Hiroshi Kumigashira, Takashi Takahashi, and Takafumi Sato
    npj Quantum Materials 3, 1 (2018).
  34. 2017

  35. Anomalous spin correlations and excitonic instability of interacting 2D Weyl fermions
    M. Hirata, K. Ishikawa, G. Matsuno, A. Kobayashi, K. Miyagawa, M. Tamura, C. Berthier, K. Kanoda
    Science 358, 1403-1406 (2017).
  36. Nematicity, magnetism, and superconductivity in FeSe under pressure: Unified explanation based on the self-consistent vertex correction theory
    Youichi Yamakawa and Hiroshi Kontani
    Phys. Rev. B. 96, 144509 (2017).
  37. In-plane anisotropy of transport coefficients in electronic nematic states: Universal origin of nematicity in Fe-based superconductors
    Seiichiro Onari and Hiroshi Kontani
    Phys. Rev. B. 96, 094527 (2017).
  38. Superconductivity without a hole pocket in electron-doped FeSe: Analysis beyond the Migdal-Eliashberg formalism
    Youichi Yamakawa and Hiroshi Kontani
    Phys. Rev. B. 96, 045130 (2017).
  39. Plain s-Wave Superconductivity near Magnetic Criticality: Enhancement of Attractive Electron-Boson Coupling Vertex Corrections
    Rina Tazai, Youichi Yamakawa, Masahisa Tuchiizu and Hiroshi Kontani
    J. Phys. Soc. Jpn. 86, 073703 (2017).
  40. Longitudinal Conductivity on Edge and Domain Wall Molecular Dirac Electron System α-(BEDT-TTF)2I3
    Yukiko Omori, Genki Matsuno, and Akito Kobayashi
    J. Phys. Soc. Jpn. 86, 074708 (2017).
  41. Crossing-line-node semimetals: General theory and application to rare-earth trihydrides
    Shingo Kobayashi, Youichi Yamakawa, Ai Yamakage, Takumi Inohara, Yoshihiko Okamoto, and Yukio Tanaka
    Phys. Rev. B 95, 245208 (2017).
  42. Competing Unconventional Charge-Density-Wave States in Cuprate Superconductors: Spin-Fluctuation-Driven Mechanism
    Kouki Kawaguchi, Youichi Yamakawa, Masahisa Tsuchiizu, Hiroshi Kontani
    J. Phys. Soc. Jpn. 86, 063707 (2017).
  43. Large thermoelectric power factor at low temperatures in one-dimensional telluride Ta4SiTe4
    Takumi Inohara, Yoshihiko Okamoto, Youichi Yamakawa, Ai Yamakage, and Koshi Takenaka
    Appl. Phys. Lett. 110, 183901 (2017).
  44. High-Tc Superconductivity in FeSe at High Pressure: Dominant Hole Carriers and Enhanced Spin Fluctuations
    J.-P. Sun, G.-Z. Ye, P. Shahi, J.-Q. Yan, K. Matsuura, H. Kontani, G.-M. Zhang, Q. Zhou, B.-C. Sales, T. Shibauchi, Y. Uwatoko, D.-J. Singh, and J.-G. Cheng
    Phys. Rev. Lett. 118, 147004 (2017).
  45. Unusual nodal behaviors of the superconducting gap in the iron-based superconductor Ba(Fe0.65Ru0.35)2As2: Effects of spin-orbit coupling
    L. Liu, K. Okazaki, T. Yoshida, H. Suzuki, M. Horio, L. C. C. Ambolode, II, J. Xu, S. Ideta, M. Hashimoto, D. H. Lu, Z.-X. Shen, Y. Ota, S. Shin, M. Nakajima, S. Ishida, K. Kihou, C. H. Lee, A. Iyo, H. Eisaki, T. Mikami, T. Kakeshita, Y. Yamakawa, H. Kontani, S. Uchida, and A. Fujimori
    Phys. Rev. B. 95, 104504 (2017).
  46. Effect of Interband Fluctuation on Spin Susceptibility in Molecular Dirac Fermion System α-(BEDT-TTF)2I3
    Genki Matsuno and Akito Kobayashi
    J. Phys. Soc. Jpn. 86, 014705 (2017).
  47. 2016

  48. 軌道ネマティック秩序の理論 -FeSeや各種鉄系超伝導体の統一的理解-
    山川洋一、紺谷浩
    固体物理 特集号 <超伝導の新しい潮流> Vol. 51, No. 11, pp. 77-92 (2016).  (日本語記事)
  49. Three-dimensional higher-spin Dirac and Weyl dispersions in the strongly isotropic K4 crystal
    Masahisa Tsuchiizu
    Phys. Rev. B 94, 195426 (2016).
  50. 高温超伝導体で起きる電子の液晶状態
    山川 洋一
    名古屋大学理学部・大学院理学研究科広報誌[理philosophia] 31号 (2016) (日本語記事)
  51. Low Carrier Density Metal Realized in Candidate Line-Node Dirac Semimetals CaAgP and CaAgAs
    Y. Okamoto, T. Inohara, A. Yamakage, Y. Yamakawa, and K. Takenaka
    J. Phys. Soc. Jpn. 85, 123701 (2016).
  52. Functional renormalization group study of orbital fluctuation mediated superconductivity: Impact of the electron-boson coupling vertex corrections
    Rina Tazai, Youichi Yamakawa, Masahisa Tsuchiizu, and Hiroshi Kontani
    Phys. Rev. B 94, 115155 (2016).
  53. Phase Competition, Solitons, and Domain Walls in Neutral-Ionic Transition Systems
    Masahisa Tsuchiizu, Hideo Yoshioka, and Hitoshi Seo
    J. Phys. Soc. Jpn. 85, 104705 (2016).
  54. Observation of an anisotropic Dirac cone reshaping and ferrimagnetic spin polarization in an organic conductor
    Michihiro Hirata, Kyohei Ishikawa, Kazuya Miyagawa, Masafumi Tamura, Claude Berthier, Denis Basko, Akito Kobayashi, Genki Matsuno, and Kazushi Kanoda
    Nat. Commun. 7, 12666 (2016).
  55. Topological Domain Wall and Valley Hall Effect in Charge Ordered Phase of Molecular Dirac Fermion System α-(BEDT-TTF)2I3
    Genki Matsuno, Yukiko Omori, Takaaki Eguchi, and Akito Kobayashi
    J. Phys. Soc. Jpn. 85, 094710 (2016).
  56. Synthesis and Superconducting Properties of a Hexagonal Phosphide ScRhP
    Takumi Inohara, Yoshihiko Okamoto, Youichi Yamakawa, and Koshi Takenaka
    J. Phys. Soc. Jpn. 85, 094706 (2016).
  57. Local density approximation in site-occupation embedding theory
    Bruno Senjean, Masahisa Tsuchiizu, Vincent Robert, and Emmanuel Fromager
    Molecular Physics 115, 48-62 (2017).
  58. Theoretical prediction of nematic orbital-ordered state in the Ti oxypnictide superconductor BaTi2(As,Sb)2O
    Hironori Nakaoka, Youichi Yamakawa, and Hiroshi Kontani
    Phys. Rev. B 93, 245122 (2016).
  59. Nematicity and Magnetism in FeSe and Other Families of Fe-Based Superconductors
    Youichi Yamakawa, Seiichiro Onari, and Hiroshi Kontani
    Phys. Rev. X 6, 021032 (2016).
  60. Sign-Reversing Orbital Polarization in the Nematic Phase of FeSe due to the C2 Symmetry Breaking in the Self-Energy
    Seiichiro Onari, Youichi Yamakawa, and Hiroshi Kontani
    Phys. Rev. Lett. 116, 227001 (2016).
  61. p-orbital density wave with d symmetry in high-Tc cuprate superconductors predicted by renormalization-group + constrained RPA theory
    Masahisa Tsuchiizu, Youichi Yamakawa, and Hiroshi Kontani
    Phys. Rev. B 93, 155148 (2016).
  62. Superconductivity in the Hexagonal Ternary Phosphide ScIrP
    Yoshihiko Okamoto, Takumi Inohara, Youichi Yamakawa, Ai Yamakage, and Koshi Takenaka
    J. Phys. Soc. Jpn. 85, 013704 (2016).
  63. Superconductivity pairing mechanism from cobalt impurity doping in FeSe: Spin (s±) or orbital (s++) fluctuation
    T. Urata, Y. Tanabe, K. K. Huynh, Y. Yamakawa, H. Kontani, and K. Tanigaki
    Phys. Rev. B 93, 014507 (2016).
  64. Line-Node Dirac Semimetal and Topological Insulating Phase in Noncentrosymmetric Pnictides CaAgX (X = P, As)
    Ai Yamakage, Youichi Yamakawa, Yukio Tanaka, and Yoshihiko Okamoto
    J. Phys. Soc. Jpn. 85, 013708 (2016).
  65. 2015

  66. Momentum-dependent sign inversion of orbital order in superconducting FeSe
    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, and K. Ishizaka
    Phys. Rev. B 92, 205117 (2015).
  67. Revisiting orbital-fluctuation-mediated superconductivity in LiFeAs: Nontrivial spin-orbit interaction effects on the band structure and superconducting gap function
    Tetsuro Saito, Youichi Yamakawa, Seiichiro Onari, and Hiroshi Kontani
    Phys. Rev. B, 92, 134522 (2015).
  68. 分子性物質の物理 -物性物理の新潮流-
    鹿野田一司、澤博、佐々木孝彦、中澤康浩、小形正男、宇治進也、山本浩史、田嶋尚也、小林晃人、賀川史敬、岡本博
    朝倉書店 (日本語記事)
  69. Relation between the Step Pattern and the Velocity of the Moving Linear Adatom Source
    Kazuhiro Kishi, Masashi Kawaguchi, Hitoshi Miura, Masahide Sato, Makio Uwaha
    e-J. Surf. Sci. Nanotech. 13, 269 (2015).
  70. Quasiparticle interference in Fe-based superconductors based on a five-orbital tight-binding model
    Youichi Yamakawa and Hiroshi Kontani
    Phys. Rev. B 92, 045124 (2015).
  71. Discovery of the K4 Structure Formed by a Triangular π Radical Anion
    Asato Mizuno, Yoshiaki Shuku, Rie Suizu, Michio M. Matsushita, Masahisa Tsuchiizu, Daniel Reta Maneru, Francesc Illas, Vincent Robert, and Kunio Awaga
    J. Am. Chem. Soc. 2015, 137 (24), pp 7612-7615.
  72. Spin-Fluctuation-Driven Nematic Charge-Density Wave in Cuprate Superconductors: Impact of Aslamazov-Larkin Vertex Corrections
    Youichi Yamakawa and Hiroshi Kontani
    Phys. Rev. Lett. 114, 257001 (2015).
  73. Helical Surface State in Multilayer Massless Dirac Fermion System
    Akito Kobayashi
    J. Phys. Soc. Jpn. 84, 053704 (2015).
  74. Spin-triplet superconductivity in Sr2RuO4 due to orbital and spin fluctuations: Analyses by two-dimensional renormalization group theory and self-consistent vertex-correction method
    Masahisa Tsuchiizu, Youichi Yamakawa, Seiichiro Onari, Yusuke Ohno, and Hiroshi Kontani
    Phys. Rev. B 91, 155103 (2015).
  75. Fragment Model Study of Molecular Multiorbital System X[Pd(dmit)2]2
    Hitoshi Seo, Takao Tsumuraya, Masahisa Tsuchiizu, Tsuyoshi Miyazaki, and Reizo Kato
    J. Phys. Soc. Jpn. 84, 044716 (2015).
  76. Period of a comblike pattern controlled by adatom supply and noise
    M. Kawaguchi, H. Miura, K. Kishi, M. Sato, and M. Uwaha
    Phys. Rev. E 91, 012409 (9pages) (2015).
  77. Quantum critical behavior in heavily doped LaFeAsO1-xHx pnictide superconductors analyzed using nuclear magnetic resonance
    R. Sakurai, N. Fujiwara, N. Kawaguchi, Y. Yamakawa, H. Kontani, S. Iimura, S. Matsuishi, and H. Hosono
    Phys. Rev. B 91 064509 (2015).
  78. 2014

  79. Growth Kinetics ---basics of crystal growth mechanism
    M. Uwaha
    Handbook of Crystal Growth, vol.1A, 2nd edition ed. T. Nishinaga (Elsevier, 2014).
  80. Effect of nucleation on chirality conversion induced by random fluctuation
    Hiroyasu Katsuno and Makio Uwaha
    J. Crystal Growth, 401, 59-62, (2014).
  81. Linear Response Theory for Shear Modulus C66 and Raman Quadrupole Susceptibility: Evidence for Nematic Orbital Fluctuations in Fe-based Superconductors
    Hiroshi Kontani and Youichi Yamakawa
    Phys. Rev. Lett. 113, 047001 (2014).
  82. Reproduction of experimental gap structure in LiFeAs based on orbital-spin fluctuation theory: s++-wave, s±-wave, and hole-s±-wave states
    Tetsuro Saito, Seiichiro Onari, Youichi Yamakawa, Hiroshi Kontani, Sergey V. Borisenko, and Volodymyr B. Zabolotnyy
    Phys. Rev. B 90, 035104 (2014).
  83. Emergence and Amplification of Chirality via Achiral-Chiral Polymorphic Transformation in Sodium Chlorate Solution Growth
    H. Niinomi, H. Miura, Y. Kimura, M. Uwaha, H. Katsuno, S. Harada, T. Ujihara, and K. Tsukamoto
    Cryst. Growth Des. 14, 3596 (2014).
  84. Molecular Dirac Fermion Systems - Theoretical and Experimental Approaches -
    Koji Kajita, Yutaka Nishio, Naoya Tajima, Yoshikazu Suzumura, and Akito Kobayashi
    J. Phys. Soc. Jpn. 83, 072002 (2014).
  85. A Possible Massless Dirac Electron in Molecular Two-Orbital Model
    Kazuyuki Miyahara, Masahisa Tsuchiizu, and Akito Kobayashi
    JPS Conf. Proc. 3, 017011 (2014).
  86. 分子性導体のディラック電子系における新物性の理論
    小林晃人、森成隆夫
    固体物理 Vol.49 No.4 pp. 241-251 (2014). (日本語記事)
  87. High-Tc Superconductivity near the Anion Height Instability in Fe-Based Superconductors: Analysis of LaFeAsO1-xHx
    Seiichiro Onari, Youichi Yamakawa, and Hiroshi Kontani
    Phys. Rev. Lett. 112, 187001 (2014).

2013年以前の出版論文(作業中)