Brane-Localized Goldstone Fermions in Bulk Supergravity
Jonathan A. Bagger, Dmitry V. Belyaev
TL;DR
This paper develops a model-independent framework for brane-localized supersymmetry breaking in five-dimensional AdS supergravity, explicitly connecting it to four-dimensional broken supergravity, with potential applications in Randall-Sundrum models.
Contribution
It constructs the action and transformation laws for bulk supergravity coupled to brane-localized Goldstone fermions, providing a new approach to supersymmetry breaking in extra-dimensional models.
Findings
Derived explicit bulk-plus-brane supergravity action.
Reduced the model to spontaneously broken 4D supergravity.
Established a framework for brane-localized supersymmetry breaking.
Abstract
We construct the action and transformation laws for bulk five-dimensional AdS supergravity coupled to one or two brane-localized Goldstone fermions. The resulting bulk-plus-brane system gives a model-independent description of brane-localized supersymmetry breaking in the Randall-Sundrum scenario. We explicitly reduce the action and transformation laws to spontaneously broken four-dimensional supergravity.
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