A Note on Matter Superenergy Tensors

Details A Note on Matter Superenergy Tensors A Note on Matter Superenergy Tensors

2003-04-24

arxiv.org/abs/gr-qc/0304095v1

Class.Quant.Grav.20:L213-L215,2003

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

3 pages

Scientific paper

10.1088/0264-9381/20/15/102

We consider Bel-Robinson-like higher derivative conserved two-index tensors $H_\mn$ in simple matter models, following a recently suggested Maxwell field version. In flat space, we show that they are essentially equivalent to the true stress-tensors. In curved Ricci-flat backgrounds it is possible to redefine $H_\mn$ so as to overcome non-commutativity of covariant derivatives, and maintain conservation, but they become model- and dimension- dependent, and generally lose their simple "BR" form.

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