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Exact Solution of a Non-Hermitian Generalized Rabi Model |
| Yusong Cao1,2 and Junpeng Cao1,2,3,4* |
1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
2School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
3Songshan Lake Materials Laboratory, Dongguan 523808, China
4Peng Huanwu Center for Fundamental Theory, Xian 710127, China
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| Cite this article: |
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Yusong Cao and Junpeng Cao 2021 Chin. Phys. Lett. 38 080202 |
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Abstract 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.
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Received: 02 May 2021
Editors' Suggestion
Published: 02 August 2021
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| PACS: |
.75.10.Pq
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02.30.Ik
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(Integrable systems)
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71.10.Pm
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(Fermions in reduced dimensions (anyons, composite fermions, Luttinger liquid, etc.))
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| Fund: 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). |
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