A functional BRS-study of the abelian Higgs vacuum. I. The coulomb phase

B. Allès, R. Muñoz-Tàpia, R. Tarrach

    Research output: Contribution to journalArticleResearchpeer-review

    3 Citations (Scopus)

    Abstract

    We present a functional Schrödinger formalism study of the abelian Higgs model in a covariant gauge. This is done by functional minimization in the physical Hilbert space, defined with the help of the BRS-charge. The structure of the symmetric vacuum, the one-photon energy, charged particle energy, and condensates are investigated analytically in a semisystematic way. A plethora of technical problems related to gauge invariance, negative and zero-norm states, integration measures for unphysical degrees of freedom, boost invariance, correct vacuum energy volume factors, etc. are presented and solved. Our approach generalises previous methods and can be extended to nonabelian models. © 1990.
    Original languageEnglish
    Pages (from-to)432-467
    JournalAnnals of Physics
    Volume204
    Issue number2
    DOIs
    Publication statusPublished - 1 Jan 1990

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