Gravitinos in non-Ricci-flat backgrounds
arXiv:hep-th/0005267 · doi:10.1016/S0370-2693(00)00709-7
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.
LaTeX, 4 pages. Typos corrected, one significant