Shiro Sakai - publications

Publication list of Shiro Sakai

  1. Y. Nomura, M. Kitatani, S. Sakai, and R. Arita
    Strong-coupling high-Tc superconductivity in doped correlated band insulator
    arXiv:2502.14601

  2. 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)

  3. A. Koga and S. Sakai
    Critical behavior of the Ising model on square-triangle tilings
    Phys. Rev. B 111, 014429 (2025); arXiv:2411.18338

  4. 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.

  5. A. Koga, S. Sakai, Y. Matsushita, and T. Ishimasa
    Hyperuniform properties of square-triangle tilings
    Phys. Rev. B 110, 094208 (2024)

  6. 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)

  7. A. Koga and S. Sakai
    Hyperuniformity in two-dimensional periodic and quasiperiodic point patterns
    Phys. Rev. E 109, 044103 (2024); arXiv:2311.07901.

  8. 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.

  9. 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.

  10. 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.

  11. 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).

  12. 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.

  13. N. Takemori and S. Sakai
    Correlated electronic states in quasicrystals
    Comprehensive Inorganic Chemistry III 3, 461-492 (2023).

  14. 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].

  15. S. Sakai
    Hyperuniform electron distributions on the Ammann-Beenker tiling
    J. Phys.: Conf. Ser. 2461, 012002 (2023) [Open Access].

  16. 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).

  17. 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.

  18. 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.

  19. 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.

  20. S. Sakai and N. Takemori
    Doped Mott insulator on a Penrose tiling
    Phys. Rev. B 105, 205138 (2022); arXiv:2201.05432.

  21. 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.

  22. 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.

  23. 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.

  24. 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.

  25. 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.

  26. N. Takemori, R. Arita, and S. Sakai
    Physical properties of weak-coupling quasiperiodic superconductors
    Phys. Rev. B 102, 115108 (2020); arXiv:2005.03127.

  27. 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)

  28. 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).

  29. 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

  30. 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).

  31. 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)

  32. 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)

  33. 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).

  34. 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.

  35. S. Sakai
    Frequency-dependent structure of superconducting gap function in two-dimensional Hubbard model
    J. Phys.: Conf. Ser. 1054, 012012 (2018) [Open Access].

  36. 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.

  37. 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).

  38. 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.

  39. 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).

  40. 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.

  41. 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).

  42. 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).

  43. 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.

  44. 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.

  45. D. Kubota, S. Sakai, and M. Imada
    Real-space renormalized dynamical mean field theory,
    Phys. Rev. B 93, 205119 (2016); arXiv:1601.05916.

  46. 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.

  47. 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).

  48. 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.

  49. 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.

  50. 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).

  51. 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.

  52. 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.

  53. 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.

  54. 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.

  55. 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).

  56. M. Imada, S. Sakai, Y. Yamaji, and Y. Motome
    Theory of Pseudogap in Underdoped Cuprates
    J. Physics: Conf. Ser. 449, 012005 (2013) [Open Access].

  57. 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.

  58. 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.

  59. 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.

  60. 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.

  61. 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).

  62. 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).

  63. 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.

  64. 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.

  65. 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.

  66. 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).

  67. 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).

  68. 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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