Finite-size effects on the phase transition in a four- and six-fermion interaction model
arXiv:1409.0842 · doi:10.1016/j.physleta.2014.07.020
Abstract
We consider four- and six-fermion interacting models at finite temperature and density. We construct the corresponding free energies and investigate the appearance of first- and second-order phase transitions. Finite-size effects on the phase structure are investigated using methods of quantum field theory on toroidal topologies
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