Astrophysical Bounds on Planck Suppressed Lorentz Violation

Details Astrophysical Bounds on Planck Suppressed Lorentz Violation Astrophysical Bounds on Planck Suppressed Lorentz Violation

2004-07-30

arxiv.org/abs/hep-ph/0407370v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

30 pages, submitted to Lecture Notes in Physics, Quantum Gravity Phenomenology, eds. G.Amelino-Camelia, J. Kowalski-Glikman (S

Scientific paper

10.1007/11377306_4

This article reviews many of the observational constraints on Lorentz symmetry violation (LV). We first describe the GZK cutoff and other phenomena that are sensitive to LV. After a brief historical sketch of research on LV, we discuss the effective field theory description of LV and related questions of principle, technical results, and observational constraints. We focus on constraints from high energy astrophysics on mass dimension five operators that contribute to LV electron and photon dispersion relations at order E/M_Planck. We also briefly discuss constraints on renormalizable operators, and review the current and future contraints on LV at order (E/M_Planck)^2.

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