Quasi-local energy for cosmological models

Details Quasi-local energy for cosmological models Quasi-local energy for cosmological models

2007-05-08

arxiv.org/abs/0705.1080v2

Mod.Phys.Lett.A22:2039-2046,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Contributed to International Symposium on Cosmology and Particle Astrophysics (CosPA 2006), Taipei, Taiwan, 15-17 Nov 2006

Scientific paper

10.1142/S0217732307025285

First we briefly review our covariant Hamiltonian approach to quasi-local energy, noting that the Hamiltonian-boundary-term quasi-local energy expressions depend on the chosen boundary conditions and reference configuration. Then we present the quasi-local energy values resulting from the formalism applied to homogeneous Bianchi cosmologies. Finally we consider the quasi-local energies of the FRW cosmologies. Our results do not agree with certain widely accepted quasi-local criteria.

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