Nov
09
Four-index energy-momentum tensors for gravitation and matter [1]
Abstract
The 4-index energy-momentum tensors for gravitation and matter are analyzed on the basis of new equations for the gravitational field with the Riemann tensor. Some properties of such defined gravitational energy are discussed.
PACS: 04.20.Cv, 04.20.Fy, 11.10.-z
Key words: gravitational energy, curvature tensor, vacuum energy
Vol. 5, No 2, p. 18 – 21, v1, 9 November 2010
Online: TPAC: 3600-018 v2, 28 September 2012; DOI: 10.9751/TPAC.3600-018
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[1] The preprint of the paper has been presented in 1999 (revised 2003): Zakir Z. arXiv:gr-qc/9905036
[2] Centre for Theoretical Physics and Astrophyics, Tashkent, Uzbekistan
1. New result:
The 4-index energy-momentum tensors for gravitation and matter are analyzed on the basis of new equations for the gravitational field with the Riemann tensor.
2. New result:
Some properties of gravitational energy defined across the Weyl tensor are discussed.