A geometrical interpretation of parity violation in gravity with torsion

Details A geometrical interpretation of parity violation in gravity with torsion A geometrical interpretation of parity violation in gravity with torsion

1998-11-02

arxiv.org/abs/hep-th/9811012v1

Phys.Lett.B458:8-12,1999

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, latex

Scientific paper

10.1016/S0370-2693(99)00605-X

In a space-time with torsion, the action for the gravitational field can be extended with a parity-violating piece. We show how to obtain such a piece from geometry itself, by suitably modifying the affine connection so as to include a pseudo-tensorial part. A consistent method is thus suggested for incorporating parity-violation in the Lagrangians of all matter fields with spin in a space-time background with torsion.

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