Light-cone reference for total gravitational energy
- 26 October 1999
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 60 (10), 104034
- https://doi.org/10.1103/physrevd.60.104034
Abstract
We give an explicit expression for gravitational energy, written solely in terms of physical spacetime geometry, which (in suitable limits) agrees with the total Arnowitt-Deser-Misner and Trautman-Bondi-Sachs energies for asymptotically flat spacetimes and with the Abbott-Deser energy for asymptotically anti–de Sitter spacetimes. Our expression is a boundary value of the standard gravitational Hamiltonian. Moreover, although it stands alone as such, we derive the expression by picking the zero-point of energy via a “light-cone reference.”Keywords
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