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arXiv · 2405.15876

Quantum Phase Transition in a Modified Jaynes-Cummings Model

Moorad Alexanian
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Abstract

We introduce a modified Jaynes-Cummings model with single-photon cavity radiation field but with the atomic system instead of exchanging a single photon as in the Jaynes-Cummings model, it exchanges instead a squeezed photon with squeezing parameter r. This allows us to interpolate between the Rabi model, r = infinity, and the Jaynes-Cummings model, r = 0, by varying r. The model exhibits a quantum phase transition. Accordingly, the quantum phase transition realized in the Rabi model, giving rise to superradiance, also occurs in the Jaynes-Cummings model

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Moorad Alexanian. 2024-05-24. Quantum Phase Transition in a Modified Jaynes-Cummings Model. https://arxiv.org/abs/2405.15876

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