Remarks on the Bergmann-Thomsom Expression on Angular Momentum in General Relativity
Janusz Garecki
Abstract
Often it is asserted that only by using of the symmetric Landau-Lifschitz energy-momentum complex one is able to formulate a conserved angular momentum complex in General Relativity ( GR). Obviously, it is an uncorrect statement. For example, years ago, Bergmann and Thomson have given other, very useful expression on angular momentum. This expression is closely joined to the non-symmetric, Einstein canonical energy-momentum complex. In the paper we review the Bergmann-Thomson angular momentum complex and compare it with that of given by Landau and Lifschitz.
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