All Physics Faculty Publications

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

Document Type

Article

Journal/Book Title/Conference

Physics Letters

Issue

130B

Publication Date

1983

First Page

31

Abstract

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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