supermomentum
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Noun
supermomentum
- (physics) the conserved charges associated with BMS supertranslations at null infinity
- 2015, Eanna E. Flanagan, David A. Nichols, “Conserved charges of the extended Bondi-Metzner-Sachs group”, in arXiv[1]:
- The supermomentum charges are associated with ordinary gravitational wave memory, and the super center-of-mass charges are associated with total (ordinary plus null) gravitational wave memory, in the terminology of Bieri and Garfinkle.