Dynamical mass generation in SU(N) Coleman-Weinberg gauge theory in the Einstein static universe

Details Dynamical mass generation in SU(N) Coleman-Weinberg gauge theory in the Einstein static universe Dynamical mass generation in SU(N) Coleman-Weinberg gauge theory in the Einstein static universe

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phrvd..30.1238h&link_type=abstract

Physical Review D (Particles and Fields), Volume 30, Issue 6, 15 September 1984, pp.1238-1250

Physics

9

Scientific paper

SU(N) Coleman-Weinberg gauge theory is analyzed in the Einstein static universe (R1×S3). Massless scalar fields in the adjoint representation with conformally invariant couplings to gravity acquire negative dynamical masses, m2eff, due to gauge interactions. We find m2eff=-3g2N(16π2r2), where g and r are a gauge coupling constant and a radius of S3, respectively. Renormalization problems are carefully handled by using zeta-function regularization. An effective potential is also given.

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