Asymptotic symmetries at null-infinity for the Rarita-Schwinger field with magnetic term
arXiv:2104.14904 · doi:10.1088/1361-6382/ac44b4
Abstract
In this paper we study the magnetic charges of the free massless Rarita-Schwinger field in four dimensional asymptotically flat space-time. This is the first step towards extending the study of the dual BMS charges to supergravity. The magnetic charges appear due to the addition of a boundary term in the action. This term is similar to the theta term in Yang-Mills theory. At null-infinity an infinite dimensional algebra is discovered, both for the electric and magnetic charge.
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- Hamiltonian derivation of dual gravitational charges
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- Covariant Phase Space and Soft Factorization in Non-Abelian Gauge Theories
- Asymptotic structure of the Rarita-Schwinger theory in four spacetime dimensions at spatial infinity