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Open Quantum Systems Decoherence
The hidden symmetry of the asymmetric quantum Rabi model
arXiv
Authors: Vladimir V. Mangazeev, Murray T. Batchelor, Vladimir V. Bazhanov
Year
2020
Paper ID
20187
Status
Preprint
Abstract Read
~2 min
Abstract Words
95
Citations
N/A
Abstract
The asymmetric quantum Rabi model (AQRM) exhibits level crossings in the eigenspectrum for the values εinfrac{1}{2}mathbb{Z} of the bias parameter ε. Such level crossings are expected to be associated with some hidden symmetry of the model. The origin of this hidden symmetry is established by finding the operators which commute with the AQRM hamiltonian at these special values. The construction is given explicitly for the first several cases and can be applied to other related light-matter interaction models for which similar level crossings have been observed in the presence of a bias term.
Why This Paper Matters
- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
- It adds a 2020 reference point for readers tracking recent quantum research.
- The asymmetric quantum Rabi model (AQRM) exhibits level crossings in the eigenspectrum for the values εinfrac12mathbbZ of the bias parameter ε.
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