paper

Constraints on relativity violations from gamma-ray bursts

arXiv:1301.5367 · doi:10.1103/PhysRevLett.110.201601

Abstract

Tiny violations of the Lorentz symmetry of relativity and the associated discrete CPT symmetry could emerge in a consistent theory of quantum gravity such as string theory. Recent evidence for linear polarization in gamma-ray bursts improves existing sensitivities to Lorentz and CPT violation involving photons by factors ranging from ten to a million.

10 pages

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