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Gravity's Rainbow: Limits for the applicability of the equivalence principle

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arxiv hep-th/9411018 v2 pith:LDV6JEMB submitted 1994-11-02 hep-th gr-qc

Rene Lafrance , Robert C. Myers This is my paper · ORCID
classification hep-thgr-qc
keywords applicabilityequivalencelimitsprinciplecalculatingclassconsideredcontext
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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.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 83 citations worldwide. Full citation record

  1. Macroscopic Black-Hole Remnants in a Nonlocal Field Theory: Towards Hawking Radiation in SFT

    hep-th 2026-06 unverdicted novelty 6.0 of 10

    In a smeared massless scalar on dynamical black hole, outgoing particle number drops to zero after scrambling time due to SFT nonlocality, implying macroscopic remnant.

  2. The Speed of Gravity

    hep-th 2019-09 conditional novelty 6.0 of 10

    In the standard effective field theory of gravity, gravitational waves on cosmological backgrounds propagate at a speed differing from unity, and analyticity arguments favor superluminal speed relative to matter.

  3. Analogue gravity with Bose-Einstein condensates

    gr-qc 2025-12 conditional novelty 2.0 of 10

    Phonons in a Bose–Einstein condensate behave as a massless scalar field on an acoustic spacetime; these notes derive that mapping in detail and apply it to superradiance and analogue Hawking radiation.

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