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- Title
Simplifying (super-)BMS algebras.
- Authors
Fuentealba, Oscar; Henneaux, Marc
- Abstract
We show that the non-linear BMS5 symmetry algebra of asymptotically flat Einstein gravity in five dimensions, as well as the super-BMS4 superalgebra of asymptotically flat supergravity, can be redefined so as to take a direct sum structure. In the new presentation of the (super-)algebra, angle-dependent translations and angle-dependent supersymmetry transformations commute with the (super-)Poincaré generators. We also explain in detail the structure and charge-integrability of asymptotic symmetries with symmetry parameters depending on the fields (through the charges themselves), a topic relevant for nonlinear asymptotic symmetry algebras.
- Subjects
EINSTEIN, Albert, 1879-1955; ALGEBRA; SUPERGRAVITY; SPACE-time symmetries; SUPERSYMMETRY; SYMMETRY
- Publication
Journal of High Energy Physics, 2023, Vol 2023, Issue 11, p1
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP11(2023)108