Bose-Einstein condensation, spontaneous symmetry breaking, and gauge theories

Research output: Contribution to journalArticlepeer-review

185 Scopus citations

Abstract

Bosonic chemical potentials for a variety of relativistic field theories are introduced via the methods of functional integrals with the aim of studying the relationship between Bose-Einstein condensation and spontaneous symmetry breaking. The models studied include the noninteracting and the self-interacting charged scalar field, scalar electrodynamics and the Higgs model, and the Weinberg-Salam model. In general the chemical potential acts as an effective symmetry-breaking parameter although the phase diagrams for the two cases (m2<0 and m2>0) look very different. It is found that the symmetry-restoring temperature in the Weinberg-Salam model increases with increasing electric charge density. Finally, the analysis of Jakobsen, Kon, and Segal of a conserved isotropic total angular momentum for the cosmic background radiation is shown to be erroneous.

Original languageEnglish (US)
Pages (from-to)426-439
Number of pages14
JournalPhysical Review D
Volume24
Issue number2
DOIs
StatePublished - 1981

Fingerprint Dive into the research topics of 'Bose-Einstein condensation, spontaneous symmetry breaking, and gauge theories'. Together they form a unique fingerprint.

Cite this