Properties of Bel currents

  1. R. Lazkoz 1
  2. J. M. M. Senovilla 2
  3. R. Vera 3
  1. 1 Universidad de Deusto
    info

    Universidad de Deusto

    Bilbao, España

    ROR https://ror.org/00ne6sr39

  2. 2 Universidad de Bilbao
  3. 3 Queen Mary University of London
    info

    Queen Mary University of London

    Londres, Reino Unido

    ROR https://ror.org/026zzn846

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Libro:
Proceedings of the XXIII Spanish Relativity Meeting on Reference Frames and Gravitomagnetism: Valladolid, Spain, 6-9 September 2000
  1. J. F. Pascual Sánchez (ed. lit.)
  2. L. Floría (ed. lit.)
  3. A. San Miguel (coord.)
  4. F. Vicente (coord.)

Editorial: World Scientific Publishing Company

ISBN: 9810246315

Año de publicación: 2001

Páginas: 185-190

Congreso: Spanish Relativity Meeting (23. 2000. Salamanca)

Tipo: Aportación congreso

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Resumen

The Bel tensor is divergence-free in some important cases leading to the existence of conserved currents associated to Killing vectors analogously to those of the energymomentum tensor. When the divergence of the Bel tensor does not vanish one can study the interchange of some quantities between the gravitational and other fields obtaining mixed total conserved currents. Nevertheless, the Bel currents are shown to be conserved (independently of the matter content) if the Killing vectors satisfy some very general conditions. These properties are similar to some very well known statements for the energy-momentum tensor.

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