Null Conservation Laws for Gravity
arXiv:1802.06135 · doi:10.1103/PhysRevD.97.124029
Abstract
We give a full analysis of the conservation along null surfaces of generalized energy and super-momenta, for gravitational systems enclosed by a finite boundary. In particular we interpret the conservation equations in a canonical manner, revealing a notion of symplectic potential and a boundary current intrinsic to null surfaces. This generalizes similar analyses done at asymptotic infinity or on horizons.
26 pages + appendices, comments welcome
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Cited by in corpus (43)
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