Free and self-interacting scalar fields in the presence of conical singularities
Guido Cognola, Klaus Kirsten, Luciano Vanzo
Abstract
Free and self-interacting scalar fields in the presence of conical singularities are analized in some detail. The role of such a kind of singularities on free and vacuum energy and also on the one-loop effective action is pointed out using ζ-function regularization and heat-kernel techniques.
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