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Non-local symmetry breaking in Kaluza-Klein theories

A. Masiero·C. A. Scrucca·M. Serone·L. Silvestrini
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Abstract

Scherk-Schwarz gauge symmetry breaking of a D-dimensional field theory model compactified on a circle is analyzed. It is explicitly shown that forbidden couplings in the unbroken theory appear in the one-loop effective action only in a non-local way, implying that they are finite at all orders in perturbation theory. This result can be understood as a consequence of the local gauge symmetry, but it holds true also in the global limit.

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A. Masiero, C. A. Scrucca, M. Serone, L. Silvestrini. 2001-11-30. Non-local symmetry breaking in Kaluza-Klein theories. https://doi.org/10.1103/physrevlett.87.251601

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