supermomentum en · NOUN
Pronunciation
- (US) audio
Etymology
From super- + momentum.
Meanings
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the conserved charges associated with BMS supertranslations at null infinity
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.
2015, Eanna E. Flanagan, David A. Nichols, “Conserved charges of the extended Bondi-Metzner-Sachs group”, in arXiv: