Phase transitions in models with discrete symmetry

DOI10.1142/S0217732314502009zbMATH Open1305.81092arXiv1404.5883MaRDI QIDQ5174260

V. G. Ksenzov, A. I. Romanov

Publication date: 17 February 2015

Published in: Modern Physics Letters A (Search for Journal in Brave)

Abstract: We investigate a class of models with a massless fermion and a self-interacting scalar field with the Yukawa interaction between these two fields. The models considered are formulated in two and four spacetime dimensions and possess a discrete symmetry. We calculate the chiral condensates are calculated in the one-loop approximation. We show that the models have a phase transitions as a function of the coupling constants.

Full work available at URL: https://arxiv.org/abs/1404.5883

zbMATH Keywords

phase transitionYukawa interactiondiscrete symmetry

Mathematics Subject Classification ID

Symmetry breaking in quantum theory (81R40) Phase transitions (general) in equilibrium statistical mechanics (82B26)

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