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Armenian Journal of Physics=Ֆիզիկայի հայկական հանդես
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Title:
Quantum Phase Transition in the Dicke Model
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Uncontrolled Keywords:
model ; modified Jaynes-Cummings model ; squeezed state ; quantum phase transition ; normal/superradiance
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Abstract:
We consider a previously modified Jaynes-Cummings model with single-photon cavity radiation field and atomic system exchanging a squeezed photon and deduce a normal/superradiance quantum phase transition in the Dicke model of N atoms of arbitrary spin with independent co- and counter-rotating coupling terms.