On stress-energy tensors

Details On stress-energy tensors On stress-energy tensors

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977gregr...8..437s&link_type=abstract

General Relativity and Gravitation, Volume 8, Issue 6, pp.437-449

Physics

3

Scientific paper

We show how to introduce the “Noether Operator” of a (possibly constrained) variational principle even when the Lagrangian contains spinor fields (and their derivatives to any finite order). After relating that operator to the so-called “canonical” and “symmetric” stress-energy tensors, we construct explicitly the divergence by which these differ. A brief appendix illustrates the method of dealing with spinors by calculating Tμv for the Dirac equation.

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