paper

Time delay of light signals in an energy-dependent spacetime metric

arXiv:0808.2259 · doi:10.1103/PhysRevD.77.104033

Abstract

In this note we review the problem of time delay of photons propagating in a spacetime with a metric that explicitly depends on the energy of the particles (Gravity-Rainbow approach). We show that corrections due to this approach -- which is closely related to DSR proposal -- produce for small redshifts () smaller time delays than in the generic Lorentz Invariance Violating case.

arXiv comment5 pages. This version contains two new references with respect to the published version

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