Gravitinos in non-Ricci-flat backgrounds
David Nolland (Durham U.)
TL;DR
This paper investigates the properties of the Rarita-Schwinger field, focusing on gauge invariance and mass in Einstein backgrounds that are not Ricci-flat, expanding understanding of supergravity in curved spacetimes.
Contribution
It analyzes the gauge invariance and mass of the Rarita-Schwinger field in non-Ricci-flat Einstein backgrounds, a less explored area in supergravity theories.
Findings
Gauge invariance conditions derived for non-Ricci-flat backgrounds
Mass properties of the Rarita-Schwinger field clarified in Einstein spacetimes
Implications for supergravity in curved backgrounds discussed
Abstract
We discuss the gauge invariance and "mass" of the Rarita-Schwinger field in a background spacetime which is assumed to be Einstein but not necessarily Ricci-flat.
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