title: Residual Local Supersymmetry and the Soft Gravitino.
abstract: We show that there exists an infinite tower of fermionic symmetries in pure d=4, N=1 supergravity on an asymptotically flat background. The Ward identities associated with these symmetries are equivalent to the soft limit of the gravitino and to the statement of supersymmetry at every angle. Additionally, we show that these charges commute into charges associated with the (unextended) Bondi-Metzner-Sachs (BMS) group, providing a supersymmetrization of the BMS translations.
authors.affiliation: Brown University, Department of Physics, 182 Hope Street, Providence, Rhode Island 02912, USA.
authors.forename: Steven G
authors.initials: SG
authors.lastname: Avery
authors.affiliation: Harvard University, CMSA, 1 Oxford Street, Cambridge, Massachusetts 02138, USA.
authors.forename: Burkhard U W
authors.initials: BU
authors.lastname: Schwab