Extra dimensions and Lorentz invariance violation

Abstract

We consider effective model where photons interact with scalar field corresponding to conformal excitations of the internal space (geometrical moduli/gravexcitons). We demonstrate that this interaction results in a modified dispersion relation for photons, and consequently, the photon group velocity depends on the energy implying the propagation time delay effect. We suggest to use the experimental bounds of the time delay of gamma ray bursts (GRBs) photons propagation as an additional constrain for the gravexciton parameters.

RevTex, 5 pages, references added and minor changes. Corrected typos in title

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Cited by in corpus (8)

• Lorentz Invariance Violation induced time delays in GRBs in different cosmological models
• Constraints on Lorentz Invariance Violation with gamma-ray bursts via a Markov Chain Monte Carlo approach
• Spectra of Field Fluctuations in Braneworld Models with Broken Bulk Lorentz Invariance
• Cosmological birefringent constraints on light
• Exploring scalar-photon interactions in energetic astrophysical events
• Magnetized matter effects on dilaton photon mixing
• Triangular Ring Resonator: Direct measurement of the parity-odd parameters of the photon sector of SME
• Thermodynamics and Phase transition of Schwarzschild black hole in Gravity's Rainbow