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A local effective action for photon–gravity interactions / Graham Shore

Nucl. Phys. B, Volume: 646, Issue: 1-2, Pages: 281 - 300

Swansea University Author: Graham, Shore

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DOI (Published version): 10.1016/S0550-3213(02)00833-7

Abstract

Quantum phenomena such as vacuum polarisation in curved spacetime induce interactions between photons and gravity with quite striking consequences, including the violation of the strong equiv- alence principle and the apparent prediction of ‘superluminal’ photon propagation. These quantum interactio...

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Published in: Nucl. Phys. B
Published: 2002
Online Access: http://arxiv.org/abs/gr-qc/0205042
URI: https://cronfa.swan.ac.uk/Record/cronfa17509
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Abstract: Quantum phenomena such as vacuum polarisation in curved spacetime induce interactions between photons and gravity with quite striking consequences, including the violation of the strong equiv- alence principle and the apparent prediction of ‘superluminal’ photon propagation. These quantum interactions can be encoded in an effec- tive action. In this paper, we extend previous results on the effective action for QED in curved spacetime due to Barvinsky, Vilkovisky and others and present a new, local effective action valid to all orders in a derivative expansion, as required for a full analysis of the quantum theory of high-frequency photon propagation in gravitational fields.
College: College of Science
Issue: 1-2
Start Page: 281
End Page: 300