A modification of the Chen-Nester quasilocal expressions

Details A modification of the Chen-Nester quasilocal expressions A modification of the Chen-Nester quasilocal expressions

2006-05-31

arxiv.org/abs/gr-qc/0605149v1

Int.J.Mod.Phys.D16:875-884,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages

Scientific paper

10.1142/S0218271807010444

Chen and Nester proposed four boundary expressions for the quasilocal quantities using the covariant Hamiltonian formalism. Based on these four expressions, there is a simple generalization that one can consider, so that a two parameter set of boundary expressions can be constructed. Using these modified expressions, a nice result for gravitational energy-momentum can be obtained in holonomic frames.

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