Does the Berry phase in a quantum optical system originate from the rotating wave approximation
arXiv:1502.02356 · doi:10.1016/j.physleta.2015.02.006
Abstract
The Berry phase (BP) in a quantized light field demonstrated more than a decade ago (Phys. Rev. Lett. 89, 220404) has attracted considerable attentions, since it plays an important role in the cavity quantum electrodynamics. However, it is argued in a recent paper ( Phys. Rev. Lett. 108, 033601) that such a BP is just due to the rotating wave approximation (RWA) and the relevant BP should vanish beyond this approximation. Based on a consistent analysis we conclude in this letter that the BP in a generic Rabi model actually exists, no matter whether the RWA is applied. The existence of BP is also generalized to a three-level atom in the quantized cavity field.
arXiv comment5 pages, 2 figures
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- Geometric phase in a dissipative Jaynes-Cummings model: theoretical explanation for resonance robustness
- Geometric phase of light-induced conical intersections: Adiabatic time-dependent approach
- Entanglement Dynamics for Two Spins in an Optical Cavity---Field Interaction Induced Decoherence and Coherence Revival
- When geometric phases turn topological
- Noise Effects on the Wilczek-Zee Geometric Phase