Shiro Sakai - publications

Publication list of Shiro Sakai

  1. 酒井　志朗
    ハイパーユニフォーミティの準周期電子系への応用
    固体物理 60, No. 11 (2025)
  2. J. Jeon, H. Ikeda, and S. Sakai
    Delocalization Induced by Enhanced Hyperuniformity in One-Dimensional Disordered Systems
    arXiv:2509.23036
  3. M. Kitatani, Y. Nomura, S. Sakai, and R. Arita
    Luttinger surface and exchange splitting induced by ferromagnetic fluctuations
    arXiv:2509.21034
  4. S. Sakai, Y. Yamaji, F. Imoto, T. Tamegai, A. Kaminski, T. Kondo, Y. Kohsaka, T. Hanaguri, and M. Imada
    Unified description of cuprate superconductors by fractionalized electrons emerging from integrated analyses of photoemission spectra and quasiparticle interference
    arXiv:2508.01297
  5. J. Jeong, K. Kurokawa, S. Sakai, T. Nakayama, K. Ando, N. Ogane, S. Huh, M. D. Watson, T. K. Kim, C. Cacho, C. Lin, M. Hashimoto, D. Lu, T. Tohyama, K. Tokiwa, and T. Kondo
    Superconducting coherence boosted by outer-layer metallic screening in multilayered cuprates
    arXiv:2507.23260
  6. J. Jeon and S. Sakai
    Electron Model on Truchet Tiling: Extended-to-Localized Transitions, Mobility Edge, and Asymmetric Spectrum
    Phys. Rev. B 112, L161104 (2025); arXiv:2505.03925
  7. M. K. Ray, M. Fu, Y. Chen, T. Chen, T. Nomoto, S. Sakai, M. Kitatani, M. Hirayama, S. Imajo, T. Tomita, A. Sakai, D. Nishio-Hamane, G. T. McCandless, M.-T. Suzuki, Z. Xu, Y. Zhao, T. Fennell, Y. Kohama, J. Y. Chan, R. Arita, C. Broholm, and S. Nakatsuji
    Zero-field Hall effect emerging from a non-Fermi liquid in a collinear antiferromagnet V1/3NbS2
    Nature Commun. 16, 3532 (2025) [Open Access]
    Press release (in Japanese)
  8. Y. Nomura, M. Kitatani, S. Sakai, and R. Arita
    Strong-coupling high-Tc superconductivity in doped correlated band insulator
    Phys. Rev. B 112, L020504 (2025); arXiv:2502.14601
  9. H. Takahashi, M. Ito, J. Fujioka, M. Ochi, S. Sakai, R. Arita, H. Sagayama, Y. Yamasaki, and S. Ishiwata
    Mass enhancement and metal-nonmetal transition driven by d-f hybridization in perovskite La1-xPrxCuO3
    Phys. Rev. B 111, 085153 (2025)
  10. A. Koga and S. Sakai
    Critical behavior of the Ising model on square-triangle tilings
    Phys. Rev. B 111, 014429 (2025); arXiv:2411.18338
  11. M. Horio, S. Sakai, H. Suzuki, Y. Nonaka, M. Hashimoto, D. Lu, Z.-X. Shen, T. Ohgi, T. Konno, T. Adachi, Y. Koike, M. Imada, and A. Fujimori
    Pseudogap in electron-doped cuprates: Strong correlation leading to band splitting
    PNAS 122, e2406624122 (2024); arXiv:1801.04247
  12. A. Koga, S. Sakai, Y. Matsushita, and T. Ishimasa
    Hyperuniform properties of square-triangle tilings
    Phys. Rev. B 110, 094208 (2024)
  13. T. Katayama, K. Magara, S. Sakai, Y. Zeng, A. Chikamatsu, and T. Hasegawa
    Cation-placement control in double-perovskite GdBaCo2O6 and its impact on magnetism via spin-state modification
    J. Mater. Chem. C 12, 10428 (2024)
  14. A. Koga and S. Sakai
    Hyperuniformity in two-dimensional periodic and quasiperiodic point patterns
    Phys. Rev. E 109, 044103 (2024); arXiv:2311.07901
  15. M. Wang, K. Tanaka, S. Sakai, Z. Wang, K. Deng, Y. Lyu, C. Li, D. Tian, S. Shen, N. Ogawa, N. Kanazawa, P. Yu, R. Arita, and F. Kagawa
    Emergent zero-field anomalous Hall effect in a reconstructed rutile antiferromagnetic metal
    Nature Commun. 14, 8240 (2023) [Open Access]; arXiv:2307.05990
  16. T. Fukushima, N. Takemori, S. Sakai, M. Ichioka, and A. Jagannathan
    Supercurrent Distribution in Real-Space and Anomalous Paramagnetic Response in a Superconducting Quasicrystal
    Phys. Rev. Research 5, 043164 (2023) [Open Access]; arXiv:2310.03484
  17. M. Kitatani, S. Sakai, and R. Arita
    Natural orbital impurity solver for real-frequency properties at finite temperature
    Phys. Rev. B 108, 195124 (2023); arXiv:2107.06517
  18. K. Kurokawa, S. Isono, Y. Kohama, S. Kunisada, S. Sakai, R. Sekine, M. Okubo, M. D. Watson, T. K. Kim, C. Cacho, S. Shin, T. Tohyama, K. Tokiwa, and T. Kondo
    Unveiling phase diagram of the lightly doped high-Tc cuprate superconductors with disorder removed
    Nature Commun. 14, 4064 (2023) [Open Access].
    Press Release (in Japanese)
  19. S. Sakai
    [Review] Nonperturbative Calculations for Spectroscopic Properties of Cuprate High-Temperature Superconductors
    J. Phys. Soc. Jpn. 92, 092001 (2023) [Open Access].
    Movie at JPS Hot Topics
  20. N. Takemori and S. Sakai
    Correlated electronic states in quasicrystals
    Comprehensive Inorganic Chemistry III 3, 461-492 (2023)
  21. T. Fukushima, N. Takemori, S. Sakai, M. Ichioka, and A. Jagannathan
    Supercurrent Distribution on Ammann-Beenker Structure
    J. Phys.: Conf. Ser. 2461, 012014 (2023) [Open Access]
  22. S. Sakai
    Hyperuniform electron distributions on the Ammann-Beenker tiling
    J. Phys.: Conf. Ser. 2461, 012002 (2023) [Open Access].
  23. R. Yamada, J. Fujioka, M. Kawamura, S. Sakai, M. Hirayama, R. Arita, T. Okawa, D. Hashizume, R. Kurihara, M. Tokunaga, and Y. Tokura
    Field direction dependent quantum-limit magnetoresistance of correlated Dirac electrons in perovskite CaIrO3
    Phys. Rev. B 107, L081113 (2023)
  24. S. Backes, Y. Murakami, S. Sakai, and R. Arita
    Dynamical mean-field theory for the Hubbard-Holstein model on a quantum device
    Phys. Rev. B 107, 165155 (2023) (Editor's Suggestion); arXiv:2301.01860
  25. S. Sakai, R. Arita, and T. Ohtsuki
    Quantum phase transition between hyperuniform density distributions
    Phys. Rev. Research 4, 033241 (2022) [Open Access]; arXiv:2207.09698
  26. M.-T. Huebsch, Y. Nomura, S. Sakai, and R. Arita
    Magnetic structures and electronic properties of cubic-pyrochlore ruthenates from first principles
    J. Phys.: Condens. Matter 34, 194003 (2022); arXiv:2202.00277
  27. S. Sakai and N. Takemori
    Doped Mott insulator on a Penrose tiling
    Phys. Rev. B 105, 205138 (2022); arXiv:2201.05432
  28. S. Sakai, R. Arita, and T. Ohtsuki
    Hyperuniform electron distributions controlled by electron interactions in quasicrystals
    Phys. Rev. B 105, 054202 (2022); arXiv:2112.06470
  29. Y. Nomura, S. Sakai, and R. Arita
    Fermi surface expansion above critical temperature in a Hund ferromagnet
    Phys. Rev. Lett. 128, 206401 (2022); arXiv:2110.04288
  30. R. Yamada, J. Fujioka, M. Kawamura, S. Sakai, M. Hirayama, R. Arita, T. Okawa, D. Hashizume, T. Sato, F. Kagawa, R. Kurihara, M. Tokunaga, and Y. Tokura
    Field-induced multiple metal-insulator crossovers of correlated Dirac electrons of perovskite CaIrO3
    npj Quantum Materials 7, 13 (2022) [Open Access]; arXiv:2108.00647
  31. R. Kaneko, K. Ueda, S. Sakai, Y. Nomura, M.-T. Huebsch, R. Arita, and Y. Tokura
    Fully filling-controlled pyrochlore ruthenates: emergent ferromagnetic-metal state and geometrical Hall effect
    Phys. Rev. B 103, L201111 (2021); arXiv:2103.04360
  32. S. Sakai and A. Koga
    Effect of Electron-Electron Interactions on Metallic State in Quasicrystals
    Materials Transactions 62, 380 (2021) [Open Access]; arXiv:2008.07100
  33. N. Takemori, R. Arita, and S. Sakai
    Physical properties of weak-coupling quasiperiodic superconductors
    Phys. Rev. B 102, 115108 (2020); arXiv:2005.03127
  34. S. Kunisada, S. Isono, Y. Kohama, S. Sakai, C. Bareille, S. Sakuragi, R. Noguchi, K. Kurokawa, K. Kuroda, Y. Ishida, S. Adachi, R. Sekine, T. K. Kim, C. Cacho, S. Shin, T. Tohyama, K. Tokiwa, T. Kondo
    Observation of small Fermi pockets protected by clean CuO2 sheets of a high-Tc superconductor
    Science 369, 833 (2020).
    Article in PERSPECTIVE
    Press Release (in Japanese)
  35. R. Yamada, J. Fujioka, M. Kawamura, S. Sakai, M. Hirayama, R. Arita, T. Okawa, D. Hashizume, M. Hoshino, and Y. Tokura
    Large Variation of Dirac Semimetal State in Perovskite CaIrO3 with Pressure-Tuning of Electron Correlation
    Phys. Rev. Lett. 123, 216601 (2019)
  36. S. Sakai and R. Arita
    Exotic pairing state in quasicrystalline superconductors under a magnetic field
    Phys. Rev. Research 1, 022002 (R) (2019) [Open Access]; arXiv:1905.01487
    Featured in Physics: Synopsis
  37. R. Kaneko, M.-T. Huebsch, S. Sakai, R. Arita, H. Shinaoka, K. Ueda, Y. Tokura, and J. Fujioka
    Enhanced thermopower in the correlated semimetallic phase of hole-doped pyrochlore iridates
    Phys. Rev. B 99, 161104(R) (2019).
  38. S. Shimizu, J. Shiogai, N. Takemori, S. Sakai, H. Ikeda, R. Arita, T. Nojima, A. Tsukazaki and Y. Iwasa
    Giant thermoelectric power factor in ultrathin FeSe superconductor
    Nature Commun. 10, 825 (2019) [Open Access].
    Press Release (in Japanese)
  39. J. Fujioka, R. Yamada, M. Kawamura, S. Sakai, M. Hirayama, R. Arita, T. Okawa, D. Hashizume, M. Hoshino, and Y. Tokura
    Strong-correlation induced high-mobility electrons in Dirac semimetal of perovskite oxide
    Nature Commun. 10, 362 (2019) [Open Access]
    Press Release (in Japanese)
  40. 佐藤憲昭、神谷京佑、酒井志朗、竹森那由多
    準結晶の超伝導−フラクタル超伝導研究の黎明−、
    固体物理 53, No. 10, 531 (2018)
  41. S. Sakai, M. Civelli, and M. Imada
    Direct connection between Mott insulators and d-wave high-temperature superconductors revealed by continuous evolution of self-energy poles
    Phys. Rev. B 98, 195109 (2018); arXiv:1804.09271
  42. S. Sakai
    Frequency-dependent structure of superconducting gap function in two-dimensional Hubbard model
    J. Phys.: Conf. Ser. 1054, 012012 (2018) [Open Access]
  43. H. Braganca, S. Sakai, M. C. O. Aguiar, and M. Civelli
    Correlation-Driven Lifshitz Transition at the Emergence of the Pseudogap Phase in the Two-Dimensional Hubbard Model
    Phys. Rev. Lett. 120, 067002 (2018); arXiv:1708.02084
  44. S. Kunisada, S. Adachi, S. Sakai, N. Sasaki, M. Nakayama, S. Akebi, K. Kuroda, T. Sasagawa, T. Watanabe, S. Shin, and T. Kondo
    Observation of Bogoliubov Band Hybridization in the Optimally Doped Trilayer Bi2Sr2Ca2Cu3O10+d
    Phys. Rev. Lett. 119, 217001 (2017) (Editor's Suggestion)
  45. B. Loret, S. Sakai, S. Benhabib, Y. Gallais, M. Cazayous, M. A. Measson, R. D. Zhong, J. Schneeloch, G. D. Gu, A. Forget, D. Colson, I. Paul, M. Civelli, and A. Sacuto
    Vertical temperature boundary of the pseudogap under the superconducting dome in the phase diagram of Bi2Sr2CaCu2O8+d
    Phys. Rev. B 96, 094525 (2017); arXiv:1703.00794
  46. 酒井　志朗, 今田　正俊
    銅酸化物超伝導を「高温」にする隠れたフェルミオン
    固体物理 52, No. 2, 79 (2017)
  47. S. Sakai, N. Takemori, A. Koga, and R. Arita
    Superconductivity on a Quasiperiodic Lattice: Extended-to-Localized Crossover of Cooper Pairs
    Phys. Rev. B 95, 024509 (2017); arXiv:1608.07210
  48. R. Arita, T. Koretsune, S. Sakai, R. Akashi, Y. Nomura, and W. Sano
    Non-empirical calculation of superconducting transition temperatures in light-element superconductors
    Advanced Materials, 1602421 (2017)
  49. T. Kondo, M. Ochi, M. Nakayama, H. Taniguchi, S. Akebi, K. Kuroda, M. Arita, S. Sakai, H. Namatame, M. Taniguchi, Y. Maeno, R. Arita, and S. Shin
    Orbital-Dependent Band Narrowing Revealed in an Extremely Correlated Hund’s Metal Emerging on the Topmost Layer of Sr2RuO4
    Phys. Rev. Lett. 117, 247001 (2016)
  50. S. Sakai, M. Civelli, and M. Imada
    Hidden-fermion representation of self-energy in pseudogap and superconducting states of two-dimensional Hubbard model
    Phys. Rev. B 94, 115130 (2016); arXiv:1605.05004
  51. B. Loret, S. Sakai, Y. Gallais, M. Cazayous, M.-A. Measson, A. Forget, D. Colson, M. Civelli, and A. Sacuto
    Unconventional High-Energy-State Contribution to the Cooper Pairing in the Underdoped Copper-Oxide Superconductor HgBa2Ca2Cu3O8+δ
    Phys. Rev. Lett. 116, 197001 (2016); arXiv:1602.00123
  52. D. Kubota, S. Sakai, and M. Imada
    Real-space renormalized dynamical mean field theory,
    Phys. Rev. B 93, 205119 (2016); arXiv:1601.05916
  53. Y. Nomura, S. Sakai, M. Capone, and R. Arita
    Exotic s-wave superconductivity in alkali-doped fullerides
    J. Phys.: Condens. Matter 28, 153001 (2016) [Open Access]; arXiv:1512.05755
  54. S. Sakai, M. Civelli, and M. Imada
    Hidden Fermionic Excitation Boosting High-Temperature Superconductivity in Cuprates
    Phys. Rev. Lett. 116, 057003 (2016); arXiv:1411.4365.
    Press Release (Japanese / English)
  55. S. Sakai, M. Civelli, Y. Nomura, and M. Imada
    Hidden fermionic excitation in the superconductivity of the strongly attractive Hubbard model
    Phys. Rev. B 92, 180503 (R) (2015); arXiv:1507.06409
  56. R. Arita, H. Ikeda, S. Sakai, and M.-T. Suzuki
    Ab initio downfolding study of the iron-based ladder superconductor BaFe2S3,
    Phys. Rev. B 92, 054515 (2015); arXiv:1507.05715
  57. Y. Nomura, S. Sakai, M. Capone, and R. Arita
    Unified Understanding of superconductivity and the Mott transition in alkali-doped fullerides from first principles
    Science Advances 1, e1500568 (2015) [Open Access]; arXiv:1505.05849
    Press release (in Japanese)
  58. Y. Nomura, S. Sakai, and R. Arita
    Nonlocal correlations induced by Hund's coupling: A cluster DMFT study
    Phys. Rev. B 91, 235107 (2015); arXiv:1408.4402
  59. Y. Nomura, S. Sakai, and R. Arita
    Multi-orbital cluster dynamical mean-field theory with an improved continuous-time quantum Monte Carlo algorithm
    Phys. Rev. B 89, 195146 (2014); arXiv:1401.7488
  60. S. Sakai and M. Civelli
    Doping evolution of the electron-hole asymmetric s-wave pseudogap in underdoped high-Tc cuprate superconductors
    JPS Conf. Proc. 3, 015033 (2014); arXiv:1311.6945
  61. K. Nakamura, S. Sakai, R. Arita, and K. Kuroki
    GW calculation of plasmon excitations in the quasi-one-dimensional organic compound (TMTSF)2PF6
    Phys. Rev. B 88, 125128 (2013); arXiv:1306.0354
  62. S. Sakai, S. Blanc, M. Civelli, Y. Gallais, M. Cazayous, M.-A. Measson, J. S. Wen, Z. J. Xu, G. D. Gu
    G. Sangiovanni, Y. Motome, K. Held, A. Sacuto, A. Georges, and M. Imada,
    Raman-scattering measurements and theory of the energy-momentum spectrum for underdoped Bi2Sr2CaCu2O8+δ superconductors: Evidence of an s-wave structure for the pseudogap
    Phys. Rev. Lett. 111, 107001 (2013); arXiv:1207.5070.
    Press Release (in Japanese)
  63. M. Imada, S. Sakai, Y. Yamaji, and Y. Motome
    Theory of Pseudogap in Underdoped Cuprates
    J. Physics: Conf. Ser. 449, 012005 (2013) [Open Access]
  64. Y. Nomura, M. Kaltak, K. Nakamura, C. Taranto, S. Sakai, A. Toschi, R. Arita, K. Held, G. Kresse, and M. Imada
    Effective on-site interaction for dynamical mean-field theory
    Phys. Rev. B 86, 085117 (2012); arXiv:1205.2836
  65. S. Sakai, G. Sangiovanni, M. Civelli, Y. Motome, K. Held, and M. Imada
    Cluster-size dependence in cellular dynamical mean-field theory
    Phys. Rev. B 85, 035102 (2012); arXiv:1112.3227
  66. M. Imada, Y. Yamaji, S. Sakai, and Y. Motome
    Theory of pseudogap and superconductivity in doped Mott insulators
    Ann. Phys. (Berlin) 523, 629 (2011); arXiv:1107.0426
  67. S. Sakai, Y. Motome, and M. Imada
    Doped high-Tc cuprate superconductors elucidated in the light of zeros and poles of the electronic Green's function
    Phys. Rev. B 82, 134505 (2010); arXiv:1004.2569
  68. P. Hansmann, R. Arita, A. Toschi, S. Sakai, G. Sangiovanni, and K. Held
    Dichotomy between Large Local and Small Ordered Magnetic Moments in Iron-Based Superconductors
    Phys. Rev. Lett. 104, 197002 (2010)
  69. S. Sakai, Y. Motome, and M. Imada
    Roles of zeros of the Green function in Fermi arc and non-Fermi liquid in the two-dimensional Hubbard model
    Physica B 404, 3183 (2009)
  70. S. Sakai, Y. Motome, and M. Imada
    Evolution of electronic structure of doped Mott insulators - reconstruction of poles and zeros of Green's function
    Phys. Rev. Lett. 102, 056404 (2009); arXiv:0809.0950
  71. S. Sakai, R. Arita, and H. Aoki
    Itinerant ferromagnetism in the multiorbital Hubbard model: a dynamical mean-field study
    Phys. Rev. Lett. 99, 216402 (2007); arXiv:0706.3109
  72. S. Sakai, R. Arita, K. Held, and H. Aoki
    Quantum Monte Carlo study for multiorbital systems with preserved spin and orbital rotational symmetries
    Phys. Rev. B 74, 155102 (2006); arXiv:cond-mat/0605526
  73. S. Sakai, R. Arita, and H. Aoki
    Application of the perturbation series expansion quantum Monte Carlo method to multiorbital systems having Hund's coupling
    Physica B 378-380, 288 (2006)
  74. S. Sakai, R. Arita, and H. Aoki
    Superconductivity in multi-orbital systems: a dynamical mean field + quantum Monte Carlo study
    Physica B 359-361, 554 (2005)
  75. S. Sakai, R. Arita, and H. Aoki
    Numerical algorithm for the double-orbital Hubbard model - Hund-coupled pairing symmetry in the doped case
    Phys. Rev. B 70, 172504 (2004); arXiv:cond-mat/0405503
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