Title

Attractive spin-spin contact interactions in the Einstein-Cartan-Sciama-Kibble torsion theory of gravitation

Document Type

Article

Publication Date

1-1-1977

Abstract

Kerlick has obtained the unexpected result that the spin-spin contact interactions, which are characteristic of the Einstein-Cartan-Sciama-Kibble theory of gravitation, are attractive for the case of a totally antisymmetric spin angular momentum density τijk which, in particular, is appropriate for the Dirac field. Using our previous techniques-where the emphasis is on the use of Lagrangian densities as opposed to energy-momentum densities-we present a simple and explicit verification of this result. © 1977 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review D

First Page

1247

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