Generalized symmetry breaking on orbifolds

Details Generalized symmetry breaking on orbifolds Generalized symmetry breaking on orbifolds

2001-07-16

arxiv.org/abs/hep-th/0107128v3

Phys.Rev.Lett. 88 (2002) 101601

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 1 figure. Published version

Scientific paper

10.1103/PhysRevLett.88.101601

We reconsider the phenomenon of mass generation via coordinate-dependent compatifications of higher-dimensional theories on orbifolds. For definiteness, we study a generic five-dimensional (5D) theory compactified on S^1/Z_2. We show that the presence of fixed points, where the fields or their derivatives may be discontinuous, permits new realizations of the Scherk-Schwarz mechanism where, for example, the mass terms are localized at the orbifold fixed points. Our technique can be used to describe the explicit breaking of global flavor symmetries and supersymmetries by brane-localized mass terms. It can also be applied to the spontaneous breaking of local symmetries, such as gauge symmetries or supergravities.

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