Infinite-Dimensional Fermionic Symmetry in Supersymmetric Gauge Theories

Autor: Andrew Strominger, Prahar Mitra, Temple He, Thomas T. Dumitrescu
Přispěvatelé: Mitra, Prahar [0000-0001-8518-9399], Apollo - University of Cambridge Repository, Mitra, P [0000-0001-8518-9399]
Jazyk: angličtina
Rok vydání: 2015
Předmět:
Zdroj: Journal of High Energy Physics, Vol 2021, Iss 8, Pp 1-31 (2021)
Journal of High Energy Physics
Popis: We establish the existence of an infinite-dimensional fermionic symmetry in four-dimensional supersymmetric gauge theories by analyzing semiclassical photino dynamics in abelian ${\cal N}=1$ theories with charged matter. The symmetry is parametrized by a spinor-valued function on an asymptotic $S^2$ at null infinity. It is not manifest at the level of the Lagrangian, but acts non-trivially on physical states, and its Ward identity is the soft photino theorem. The infinite-dimensional fermionic symmetry resides in the same ${\cal N}=1$ supermultiplet as the physically non-trivial large gauge symmetries associated with the soft photon theorem.
40 pages
Databáze: OpenAIRE