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Phase operator and phase transition in a classical Dicke model

✍ Scribed by J.P Provost; F Rocca; G Vallee

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
988 KB
Volume
107
Category
Article
ISSN
0003-4916

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✦ Synopsis

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 any temperature and in the presence of an external field. We emphasize that the phase transition is connected with the existence of an observable phase operator below the critical temperature.

πŸ“œ SIMILAR VOLUMES

Phase operator and phase transition in a
Phase operator and phase transition in a classical Dicke model: J. P. Provost, F. Rocca, and G. Vallee, Physique ThΓ©orique, UniversitΓ© de Nice, France
πŸ“‚ Article πŸ“… 1977 πŸ› Elsevier Science 🌐 English βš– 88 KB

We study the thermodynamical property of a Dicke model with classical spin. 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 any t