Optimal choices of reference for a quasi-local energy

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/52803

Title:	Optimal choices of reference for a quasi-local energy
Authors:	Wu,MF;Chen,CM;Liu,JL;Nester,JM
Contributors:	物理學系
Keywords:	SPACE-TIME REGIONS;GENERAL-RELATIVITY;GRAVITY THEORIES;POSITIVE ENERGY;MOMENTUM;MASS
Date:	2010
Issue Date:	2012-06-11 10:44:57 (UTC+8)
Publisher:	國立中央大學
Abstract:	We propose a program for determining the reference for the covariant Hamiltonian boundary term quasi-local energy and test it on spherically symmetric spacetimes. For different observers the quasi-local energy can be positive, zero, or even negative, however the maximum value is positive for both the Schwarzschild and FLRW spacetimes. (C) 2010 Elsevier B.V. All rights reserved.
Relation:	PHYSICS LETTERS A
Appears in Collections:	[Department of Physics] journal & Dissertation

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