QUASI-LOCAL ENERGY FOR COSMOLOGICAL MODELS

Author:

CHEN CHIANG-MEI1,LIU JIAN-LIANG1,NESTER JAMES M.2

Affiliation:

1. Department of Physics, National Central University, Chungli 320, Taiwan

2. Department of Physics and Institute of Astronomy, National Central University, Chungli 320, Taiwan

Abstract

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.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

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