Exact Solution of a Non-Hermitian Generalized Rabi Model

Funds: Supported by the National Natural Science Foundation of China (Grant Nos. 12074410, 12047502, 11934015, 11947301, and 11774397), and the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB33000000).
  • Received Date: May 01, 2021
  • Published Date: July 31, 2021
  • An integrable non-Hermitian generalized Rabi model is constructed. A twist matrix is introduced to the construction of Hamiltonian and generates the non-Hermitian properties. The Yang–Baxter integrability of the system is proven. The exact energy spectrum and eigenstates are obtained using the Bethe ansatz. The method given in this study provides a general way to construct integrable spin-boson models.
  • Article Text

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