M. Kitatani, Y. Nomura, S. Sakai, and R. Arita Luttinger surface and exchange splitting induced by ferromagnetic fluctuations arXiv:2509.21034
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
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
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)
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)
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
A. Koga, S. Sakai, Y. Matsushita, and T. Ishimasa Hyperuniform properties of square-triangle tilings Phys. Rev. B 110, 094208 (2024)
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)
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
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)
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)
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
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
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)
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)
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).
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)
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)
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
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
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+δ Phys. Rev. Lett. 119, 217001 (2017) (Editor's Suggestion)
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+δ Phys. Rev. B 96, 094525 (2017);
arXiv:1703.00794
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
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)
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)
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
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
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
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
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)
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
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
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
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)
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)
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
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)
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)