A New Gravitational Energy-Momentum Pseudotensor in Tetrad Form

Details A New Gravitational Energy-Momentum Pseudotensor in Tetrad Form A New Gravitational Energy-Momentum Pseudotensor in Tetrad Form

Aug 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996pthph..96..347h&link_type=abstract

Progress of Theoretical Physics, Vol. 96, No. 2, pp. 347-375.

Physics

Scientific paper

It is shown that (1) the new gravitational energy-momentum pseudotensor tik(x) derived from the Hayashi-Shirafuji gravitational Lagrangian density in the extended Weitzenböck spacetime is the unique theory which can give the gravitational enegy within any spatial region a definite value independent of the spatial coordinate system and satisfy, certain other physical postulates, and (2) t00(x) takes nonnegative vlaues at any point in spacetime where g00 > 0 for some well-known gravitational fields.

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