Light speed variation from gamma ray burst GRB 160509A

Abstract

It is postulated in Einstein's relativity that the speed of light in vacuum is a constant for all observers. However, the effect of quantum gravity could bring an energy dependence of light speed. Even a tiny speed variation, when amplified by the cosmological distance, may be revealed by the observed time lags between photons with different energies from astrophysical sources. From the newly detected long gamma ray burst GRB~160509A, we find evidence to support the prediction for a linear form modification of light speed in cosmological space.

5 latex pages, 2 figures, final version for publication

References in corpus (3)

• Big-Bang Nucleosynthesis
• Lorentz-violation-induced arrival delays of cosmological particles
• Light speed variation from gamma-ray bursts

Cited by in corpus (18)

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• Pre-burst events of gamma-ray bursts with light speed variation
• Statistical Significance of spectral lag transition in GRB 160625B
• First Combined Study on LIV from Observations of Energy-dependent Time Delays from Multiple-type Gamma-ray Sources -- Part I. Motivation, Method Description and Validation through Simulations of H.E.S.S., MAGIC and VERITAS Datasets
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• Lorentz-violation-induced arrival time delay of astroparticles in Finsler spacetime
• Testing Lorentz invariance of electrons with LHAASO observations of PeV gamma-rays from the Crab Nebula
• Light Speed Variation with Brane/String-Inspired Space-Time Foam
• Constraining the loop quantum gravity parameter space from phenomenology
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• Vacuum Cherenkov radiation and photon decay rates from generic Lorentz Invariance Violation
• LHAASO discovery of highest-energy photons towards new physics
• Lorentz and CPT breaking in gamma-ray burst neutrinos from string theory
• Lorentz Violation in Finsler Geometry
• Trajectories of astroparticles in pseudo-Finsler spacetime with the most general modified dispersion