774 citations · 3.8k across the 47 of their papers we have counts for
47 papers
Exact steady states of the impurity-doped XXZ spin chain coupled to dissipators
Chihiro Matsui, Naoto Tsuji
We give an exact matrix product steady state and matrix product forms of local observables for the bulk impurity-doped XXZ spin model coupled to dissipators at both ends, whose dyn…
Optical response of the Leggett mode in multiband superconductors in the linear response regime
Takumi Kamatani, Sota Kitamura, Naoto Tsuji +2
We study optical responses of Leggett modes in multiband superconductors in the linear response regime. The Leggett mode is a collective mode unique to multiband superconductors th…
Pairing of Light-Emitting Fermions: Nonequilibrium Pairing Mechanism at High Temperatures
Masaya Nakagawa, Naoto Tsuji, Norio Kawakami +1
Strongly interacting fermionic atoms are shown to develop -pairing superfluid correlations in a nonequilibrium steady state in the presence of spontaneous emission of light from…
Tachyonic and Plasma Instabilities of -Pairing States Coupled to Electromagnetic Fields
Naoto Tsuji, Masaya Nakagawa, Masahito Ueda
Cooper pairs featuring a nonzero center-of-mass crystal momentum and an off-diagonal long-range order (-pairing states) constitute exact eigenstat…
Collective Excitations and Nonequilibrium Phase Transition in Dissipative Fermionic Superfluids
Kazuki Yamamoto, Masaya Nakagawa, Naoto Tsuji +2
We predict a new mechanism to induce collective excitations and a nonequilibrium phase transition of fermionic superfluids via a sudden switch-on of two-body loss, for which we ext…
Higgs-mode resonance in third harmonic generation in NbN superconductors: multiband electron-phonon coupling, impurity scattering, and polarization-angle dependence
Naoto Tsuji, Yusuke Nomura
We theoretically investigate the resonance of third harmonic generation (THG) that has been observed at frequency being half of the superconducting gap in a multiband disordered su…