Brane-induced supersymmetry breaking

Details Brane-induced supersymmetry breaking Brane-induced supersymmetry breaking

2001-08-02

arxiv.org/abs/hep-th/0108010v2

JHEP 0202 (2002) 010

Physics

High Energy Physics

High Energy Physics - Theory

15 pages. v2: improved treatment of brane actions, relation with conventional Scherk-Schwarz mechanism clarified, version to b

Scientific paper

10.1088/1126-6708/2002/02/010

We study spontaneous supersymmetry breaking induced by brane-localized dynamics in five-dimensional supergravity compactified on S^1/Z_2. We consider a model with gravity in the bulk and matter localized on tensionless branes at the orbifold fixed points. We assume that the brane dynamics give rise to effective brane superpotentials that trigger the supersymmetry breaking. We analyze in detail the super-Higgs effect. We compute the full spectrum and show that the symmetry breaking is spontaneous but nonlocal in the fifth dimension. We demonstrate that the model can be interpreted as a new, non-trivial implementation of a coordinate-dependent Scherk-Schwarz compactification.

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