Symmetric teleparallel general relativity

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题名:	Symmetric teleparallel general relativity
作者:	Nester,JM;Yo,HJ
贡献者:	物理研究所
关键词:	HAMILTONIAN-FORMULATION;GRAVITY
日期:	1999
上传时间:	2010-07-08 14:03:12 (UTC+8)
出版者:	中央大學
摘要:	General relativity can be presented in terms of other geometries besides Riemannian. In particular, teleparallel geometry (i.e., curvature vanishes) has some advantages, especially concerning energy-momentum localization and its "translational gauge theory" nature. The standard version is metric compatible, with torsion representing the gravitational "force". However there are many other possibilities. Here we focus on an interesting alternate extreme: curvature and torsion vanish but the nonmetricity Vg does not-it carries the "gravitational force" This symmetric teleparallel representation of general relativity covariantizes (and hence legitimizes) the usual coordinate calculations. The associated energy-momentum density is essentially the Einstein pseudotensor, but in this novel geometric representation it is a true tensor.
關聯:	CHINESE JOURNAL OF PHYSICS
显示于类别:	[物理研究所] 期刊論文

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