Inverse Symmetry Breaking in Multi-Scalar Field Theories

Abstract

We review how the phenomena of inverse symmetry breaking (and symmetry nonrestoration) may arise in the context of relativistic as well as nonrelativistic multi-scalar field theories. We discuss how the consideration of thermal effects on the couplings produce different transition patterns for both theories. For the relativistic case, these effects allow the appearance of inverse symmetry breaking (and symmetry nonrestoration) at arbitrarily large temperatures. On the other hand, the same phenomena are suppressed in the nonrelativistic case, which is relevant for condensed matter physics. In this case, symmetry nonrestoration does not happen while inverse symmetry is allowed only to be followed by symmetry restoration characterizing a reentrant phase. The aim of this paper is to give more insight concerning the, qualitatively correct, results obtained by using one loop perturbation theory in the evaluation of thermal masses and couplings.

arXiv comment7 pages, 3 figures, talk given at the workshop on Quantum Fields Under the Influence of External Conditions, QFEXT05, Barcelona, sep-2005

References in corpus (6)

• A Nonperturbative Study of Inverse Symmetry Breaking at High Temperatures
• Wilson Renormalization Group Study of Inverse Symmetry Breaking
• Inverse Symmetry Breaking with 4d Lattice Simulations
• Inverse Symmetry Breaking on the lattice: an accurate MC study
• Phase Transitions Patterns in Relativistic and Nonrelativistic Multi-Scalar-Field Models
• Symmetry Restoration in Hot SUSY

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