Effective potential of composite fields in weakly coupled QED in a uniform external magnetic field

D. S. Lee, P. N. McGraw, Y. J. Ng, I. A. Shovkovy

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

The effective potential for the composite fields responsible for chiral symmetry breaking in weakly coupled QED in a magnetic field is derived. The global minimum of the effective potential is found to acquire a non-vanishing expectation value of the composite fields that leads to generating the dynamical fermion mass by an external magnetic field. The results are compared with those for the Nambu-Jona-Lasinio model.

Original languageEnglish (US)
Article number085008
Pages (from-to)1-5
Number of pages5
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume59
Issue number8
StatePublished - Apr 15 1999
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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