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K. Shinjo, K. Seki, and S. Yunoki, Emergent Discrete Time Crystals on Digital Quantum Computers: Boundary-Protected and Ancilla-Induced Disorder Mechanisms of Thermalization Slowdown, arXiv:2510.13577.
K. Shinjo, K. Seki, T. Shirakawa, R.-Y. Sun, and S. Yunoki, Unveiling clean two-dimensional discrete time quasicrystals on a digital quantum computer, arXiv:2403.16718.
K. Shinjo, S. Sota, S. Yunoki, and T. Tohyama, Optical absorption activated by an ultrashort half-cycle pulse in metallic and superconducting states of the Hubbard model, Phys. Rev. B 111, 235125 (2025) [arXiv: 2411.00313].
K. Shinjo and T. Tohyama, Keldysh crossover in one-dimensional Mott insulators, APL Mater. 12, 041109 (2024) [arXiv: 2401.12584].
K. Shinjo, S. Sota, S. Yunoki, and T. Tohyama, Spin loop-current textures in Hubbard models, Phys. Rev. B 108, 195118 (2023) [arXiv: 2305.13557].
T. Tohyama, K. Shinjo, S. Sota, and S. Yunoki, Anomalous suppression of photo-induced in-gap weight in the optical conductivity of a two-leg Hubbard ladder, Phys. Rev. B 108, 035113 (2023) [arXiv: 2305.05498].
K. Shinjo, S. Sota, S. Yunoki, and T. Tohyama, Controlling inversion and time-reversal symmetries by subcycle pulses in the one-dimensional extended Hubbard model, Phys. Rev. B 107, 195103 (2023) [arXiv: 2211.08694].
K. Tsutsui, K. Shinjo, S. Sota, and T. Tohyama, Exciton-assisted low-energy magnetic excitations in a photoexcited Mott insulator on a square lattice, Commun. Phys. 6, 41 (2023) [arXiv: 2207.03141].
K. Shinjo, S. Sota, and T. Tohyama, Glassy dynamics of the one-dimensional Mott insulator excited by a strong terahertz pulse, Phys. Rev. Res. 4, L032019 (2022) [arXiv: 2202.04322].
T. Tohyama, K. Shinjo, S. Sota, and K. Tsutsui, Numerical simulations of spectroscopic properties in two-dimensional Mott insulator, J. Phys.: Conf. Ser. 2207, 012028 (2022).
T. Tohyama, K. Shinjo, and K. Tsutsui, Antiphase oscillations in the time-resolved spin structure factor of a photoexcited Mott insulator on a square lattice, J. Phys.: Conf. Ser. 2164, 012049 (2022).
K. Shinjo, Y. Tamaki, S. Sota, and T. Tohyama, "Density-matrix renormalization group study of optical conductivity of the Mott insulator for two-dimensional clusters", Phys. Rev. B 104, 205123 (2021) [arXiv: 2109.06226].
K. Tsutsui, K. Shinjo, and T. Tohyama, "Antiphase Oscillation in Time-Resolved Spin Structure Factor of a Photoexcited Mott Insulator", Phys. Rev. Lett. 126, 127404 (2021) [arXiv: 2010.06151].
K. Shinjo, S. Sota, and T. Tohyama, "Effect of phase string on single-hole dynamics in the two-leg Hubbard ladder", Phys. Rev. B 103, 035141 (2021) [arXiv: 2011.10686].
K. Shinjo, S. Sota, S. Yunoki, and T. Tohyama, "Characterization of photoexcited states in the half-filled one-dimensional extended Hubbard model assisted by machine learning", Phys. Rev. B 101, 195136 (2020) [arXiv:1901.07900].
S. Ohmura, A. Takahashi, K. Iwano, T. Yamaguchi, K. Shinjo, T. Tohyama, S. Sota, and H. Okamoto, "Effective model of one-dimensional extended Hubbard systems: Application to linear optical spectrum calculations in large systems based on many-body Wannier functions", Phys. Rev. B 100, 235134 (2019) [arXiv: 1908.09335].
K. Shinjo, K. Sasaki, S. Hase, S. Sota, S. Ejima, S. Yunoki, and T. Tohyama, "Machine learning phase diagram in the half-filled one-dimensional extended Hubbard model", J. Phys. Soc. Jpn. 88, 065001 (2019) [arXiv: 1904.06032].
K. Shinjo and T. Tohyama, "Ultrafast transient interference in pump-probe spectroscopy of band and Mott insulators", Phys. Rev. B 98, 165103 (2018) [arXiv: 1805.09486].
K. Shinjo and T. Tohyama, “Photoinduced absorptions inside the Mott gap in the two-dimensional extended Hubbard model”, Phys. Rev. B 96, 195141 (2017) [arXiv: 1709.01297].
T. Okubo, K. Shinjo, Y. Yamaji, N. Kawashima, S. Sota, T. Tohyama, M. Imada, “ Ground state properties of Na2IrO3 determined from ab initio Hamiltonian and its extensions containing Kitaev and extended Heisenberg interactions”, Phys. Rev. B 96, 054434 (2017) [arXiv: 1611.03614].
K. Shinjo, S. Sota, S. Yunoki, K. Totsuka, and T. Tohyama, “ Density-matrix renormalization group study of Kitaev-Heisenberg model on a triangular lattice”, J. Phys. Soc. Jpn. 85, 114710 (2016) [arXiv: 1512.02334].
K. Shinjo, S. Sota and T. Tohyama, “ Density-Matrix Renormalization Group Study of Extended Kitaev-Heisenberg Model”, Phys. Rev. B 91, 054401 (2015) [arXiv: 1410.4790].