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A new phase transition in the Dicke hamiltonian

โœ Scribed by G. Compagno; A. Panzarella; F. Persico


Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
325 KB
Volume
80
Category
Article
ISSN
0375-9601

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Phase operator and phase transition in a
โœ J.P Provost; F Rocca; G Vallee ๐Ÿ“‚ Article ๐Ÿ“… 1977 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 988 KB

We study the thermodynamical properties of a Dicke model with classical spins. As in the quantum case, the model exhibits a phase transition associated with the spontaneous breaking of the gauge symmetry. We calculate the thermodynamical equilibrium photon state in a relatively simple way both at an