Decoupling limits in multi-sector supergravities

Details Decoupling limits in multi-sector supergravities Decoupling limits in multi-sector supergravities

2011-08-10

arxiv.org/abs/1108.2278v1

Physics

High Energy Physics

High Energy Physics - Theory

9 pages

Scientific paper

In theories with gravity-mediated supersymmetry breaking or supergravity cosmologies, one generically considers multiple sectors that only communicate gravitationally. In principle these sectors decouple in the limit Planck mass to infinity. In practice such a limit is delicate: for generic supergravities, where sectors are combined by adding their Kahler functions, the separate superpotentials must contain non-vanishing vacuum expectation values supplementing the naive globally supersymmetric field theory expressions. We show that this requires non-canonical scaling in the naive supergravity superpotential couplings to recover independent sectors of globally supersymmetric field theory in the decoupling limit Planck Mass to infinity.

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