The phase diagram of the massive Gross-Neveu model, revisited
Oliver Schnetz, Michael Thies, Konrad Urlichs
Abstract
The massive Gross-Neveu model is solved in the large N limit at finite temperature and chemical potential. The phase diagram features a kink-antikink crystal phase which was missed in previous works. Translated into the framework of condensed matter physics our results generalize the bipolaron lattice in non-degenerate conducting polymers to finite temperature.
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