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Total Energy-momentum of the Universe in Teleparallel Gravity
Liu Yuxiao * #,Zhao Zhenhua ,Yang Jie ,Duan Yishi
Institute of Theoretical Physics, Lanzhou University
*Correspondence author
#Submitted by
Subject:
Funding: 教育部博士点基金,国家自然科学基金,教育部科学与技术重点项目,新世纪优秀人才支持计划(No.20070730055,10705013,109153,)
Opened online:16 September 2009
Accepted by: none
Citation: Liu Yuxiao ,Zhao Zhenhua ,Yang Jie .Total Energy-momentum of the Universe in Teleparallel Gravity[OL]. [16 September 2009] http://en.paper.edu.cn/en_releasepaper/content/35234
 
 
We investigate the conservation law of energy-momentum in teleparallel gravity by using general Noether theorem. The energy-momentum current has also superpotential and is therefore identically conserved. The total energy-momentum, which includes the contributions of both matter and gravitational fields, is given by the integral of scalar densities over a three-dimensional spacelike hypersurface. As an example, the universe in teleparallel gravity is investigated. It is shown that the total energy-momentum vanishes independently of both the curvature parameter and the three dimensionless coupling constants of teleparallel gravity.
Keywords:Energy-momentum;Teleparallel gravity;Conservation law;Superpotential;Noether theorem
 
 
 

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