paper

Parity Violating Gravitational Coupling Of Electromagnetic Fields

arXiv:gr-qc/9906027 · doi:10.1088/0264-9381/16/12/102

Abstract

A manifestly gauge invariant formulation of the coupling of the Maxwell theory with an Einstein Cartan geometry is given, where the space time torsion originates from a massless Kalb-Ramond field augmented by suitable U(1) Chern Simons terms.We focus on the situation where the torsion violates parity, and relate it to earlier proposals for gravitational parity violation.

7 Pages, Latex . no figures, Replaced with Revtex version, many references added and typos corrected

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