Super-Higgs in Superspace
Moritz McGarrie, Gianni Tallarita

TL;DR
This paper derives the effective gravitational couplings in superspace that reproduce the supergravity Higgs effect, providing a framework for phenomenological applications involving Goldstini.
Contribution
It introduces a method to determine superspace gravitational couplings that reproduce the supergravity Higgs effect with constrained Goldstino multiplets.
Findings
Reproduces known gravitino sector
Constrains off-shell completion
Provides a basis for phenomenological models with Goldstini
Abstract
We determine the effective gravitational couplings in superspace whose components reproduce the supergravity Higgs effect for the constrained Goldstino multiplet. It reproduces the known Gravitino sector whilst constraining the off-shell completion. We show that these components arise by computing the effective action. This may be useful for phenomenological studies and model building: We give an example of its application to multiple Goldstini.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Noncommutative and Quantum Gravity Theories · Cosmology and Gravitation Theories
