Abstract
Abstract
Dray and Streubel proposed a definition of angular momentum in general relativity based on ‘Bondi–Metzner–Sachs charges’. I show here that the natural definition of center of mass in this program has an infinite-dimensional ambiguity. (This seems not to have been noticed before because previous work has tacitly carried over a special-relativistic assumption.) A related point is that the natural definition of spin in this context is translation-, but not supertranslation-, invariant.
Subject
Physics and Astronomy (miscellaneous)
Cited by
2 articles.
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