Photoinduced dynamics of excitonic order and Rabi oscillation in the two-orbital Hubbard model
Yasuhiro Tanaka,
Kenji Yonemitsu
Abstract:We investigate the condition for the photoinduced enhancement of an excitonic order in a twoorbital Hubbard model, which has been theoretically proposed in our previous work [Phys. Rev. B 97, 115105 (2018)], and analyze it from the viewpoint of the Rabi oscillation. Within the mean-field approximation, we simulate real-time dynamics of an excitonic insulator with a direct gap, where the pair condensation in the initial state is of BEC nature and the photoexcitation is introduced by electric dipole transitions… Show more
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