Symmetry behavior in the Einstein universe: Effect of spacetime curvature and arbitrary field coupling

Details Symmetry behavior in the Einstein universe: Effect of spacetime curvature and arbitrary field coupling Symmetry behavior in the Einstein universe: Effect of spacetime curvature and arbitrary field coupling

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phlb..130...31o&link_type=abstract

Physics Letters B, Volume 130, Issue 1-2, p. 31-38.

Physics

48

Scientific paper

For the investigation of the effect of spacetime curvature and arbitrary field coupling on symmetry restoration, we have computed by zeta-function regularization the one-loop effective potential for a self-interacting scalar field arbitrarily coupled to a static Robertson-Walker universe. The classical contribution of curvature can restore broken symmetries for a wide range of parameters from conformal to near-minimal couplings whereas the quantum contribution is important only for a small range of values near the minimal coupling point. The symmetry behavior of the two extremes is found to be very different.

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