Lack of phase transition in the Dicke model with external fields

J.P. Provost, F. Rocca, G. Vallee and M. Sirugue

Physica A: Statistical Mechanics and its Applications, 1976, vol. 85, issue 1, 202-206

Abstract: We show that the addition of external fields to the Dicke Hamiltonian removes the critical behaviour of the model. We analyse this result in terms of order parameter and conjugated field and compare with recent papers.

Date: 1976
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:85:y:1976:i:1:p:202-206

DOI: 10.1016/0378-4371(76)90129-1

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