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Persistence of the phase transition in the Dicke model with external fields and counter-rotating terms |
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| Authors: | R. Gilmore |
| Affiliation: | Institut de Physique Théorique, Université Catholique de Louvain B-1348, Louvain-la-Neuve, Belgique |
| Abstract: | We show that the addition of classical external fields to the Dicke model does not necessarily remove the phase transition if a mechanism is already present which destroys the gauge invariance of the model. |
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