Gravity’s rainbow: Limits for the applicability of the equivalence principle
- 15 March 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 51 (6) , 2584-2590
- https://doi.org/10.1103/physrevd.51.2584
Abstract
Limits for the applicability of the equivalence principle are considered in the context of low-energy effective field theories. In particular, we find a class of higher-derivative interactions for the gravitational and electromagnetic fields which produce dispersive photon propagation. The latter is illustrated by calculating the energy-dependent contribution to the deflection of light rays.Keywords
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