Publications (27)
Excitonic Order and Superconductivity in the Two-Orbital Hubbard Model: Variational Cluster Approach
Ryo Fujiuchi, Koudai Sugimoto, Yukinori Ohta
Fate of measurement-induced phase transition in long-range interactions
Takaaki Minato, Koudai Sugimoto, Tomotaka Kuwahara +1
Slow dynamics of disordered zigzag chain molecules in layered LiVS2 under electron irradiation
Naoyuki Katayama, Keita Kojima, Tomoki Yamaguchi +8
Emergence of pure spin current in doped excitonic magnets
Shunsuke Yamamoto, Koudai Sugimoto, Yukinori Ohta
Memory function approach to in-plane anisotropic resistivity in the antiferromagnetic phase of iron arsenide superconductors
Koudai Sugimoto, Peter Prelovšek, Eiji Kaneshita +1
Prethermal inverse Mpemba effect
Koudai Sugimoto, Tomotaka Kuwahara, Keiji Saito
Ground-State Properties of the $t$-$J$ Model for the CuO Double-Chain Structure
Tatsuya Kaneko, Satoshi Ejima, Koudai Sugimoto +1
Nonequilibrium dynamics in the pump-probe spectroscopy of excitonic insulators
Tetsuhiro Tanabe, Koudai Sugimoto, Yukinori Ohta
Orbital diamagnetic susceptibility in excitonic condensation phase
Koudai Sugimoto, Yukinori Ohta
Charge-ordered state satisfying the Anderson condition in LiRh2O4 arising from local dimer order
Manabu Shiomi, Keita Kojima, Naoyuki Katayama +8
Low-energy excitation spectra in the excitonic phase of cobalt oxides
Tomoki Yamaguchi, Koudai Sugimoto, Yukinori Ohta
Microscopic quantum interference in excitonic condensation of Ta$_2$NiSe$_5$
Koudai Sugimoto, Tatsuya Kaneko, Yukinori Ohta
Pressure-Induced Restoration of the Reversed Crystal-Field Splitting in $α$-Sr$_2$CrO$_4$
Ryo Takahashi, Tomoki Yamaguchi, Koudai Sugimoto +3
Excitonic effects on high-harmonic generation in Mott insulators
Mina Udono, Koudai Sugimoto, Tatsuya Kaneko +1
Finite-temperature properties of excitonic condensation in the extended Falicov-Kimball model: Cluster mean-field-theory approach
Masahiro Kadosawa, Satoshi Nishimoto, Koudai Sugimoto +1
Collective mode excitations and simulated $L$-edge resonant-inelastic x-ray scattering spectra in antiferromagnetic Ca$_2$RuO$_4$
Shunsuke Yamamoto, Yukinori Ohta, Koudai Sugimoto
DC electric field driven discretization of single-particle excitation spectra in a Mott insulator
Koudai Sugimoto
Light-induced switching of magnetic order in the anisotropic triangular-lattice Hubbard model
Hayato Kobayashi, Ryo Fujiuchi, Koudai Sugimoto +1
Determination of the magnetic q vectors in the heavy fermion superconductor Ce3PtIn11
Naoki Shioda, Kazuki Kumeda, Hideto Fukazawa +6
Wannier-Stark ladders and Stark shifts of excitons in Mott insulators
Mina Udono, Tatsuya Kaneko, Koudai Sugimoto
Spin Dynamics and Resonant Inelastic X-ray Scattering in Chromium with Commensurate Spin-Density Wave Order
Koudai Sugimoto, Zhi Li, Eiji Kaneshita +2
Superconductivity and charge density wave under a time-dependent periodic field in the one-dimensional attractive Hubbard model
Ryo Fujiuchi, Tatsuya Kaneko, Koudai Sugimoto +2
Quantum phase transitions in the dimerized extended Bose-Hubbard model
Koudai Sugimoto, Satoshi Ejima, Florian Lange +1
Symmetry, topology, duality, chirality, and criticality in a spin-1/2 XXZ ladder with a four-spin interaction
Mateo Fontaine, Koudai Sugimoto, Shunsuke Furukawa
Spin texture and spin current in excitonic phases of the two-band Hubbard model
Hisao Nishida, Shohei Miyakoshi, Tatsuya Kaneko +2
Pump-probe spectroscopy of the one-dimensional extended Hubbard model at half filling
Koudai Sugimoto, Satoshi Ejima
Typicality-Based Variational Cluster Approach to Thermodynamic Properties of the Hubbard Model
Hisao Nishida, Ryo Fujiuchi, Koudai Sugimoto +1