Violation of Lorentz invariance and dynamical effects in high energy gamma rays

Details Violation of Lorentz invariance and dynamical effects in high energy gamma rays Violation of Lorentz invariance and dynamical effects in high energy gamma rays

2004-07-30

arxiv.org/abs/hep-ph/0407363v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, Contribution to the conference: "GZK and Surroundings", CRIS 2004, 5/31 - 6/4 2004 Catania, Italy

Scientific paper

10.1016/j.nuclphysbps.2004.10.01

The relation between the violation of Lorentz invariance and the dynamical effects in high energy gamma rays production is discussed. By using the framework of noncommutative classical electrodynamics, it is shown that full dynamical calculations are required to put bounds on the Lorentz violating scale by the phenomenological analysis of these processes as, for example, the synchrotron radiation from the CRAB nebula. It is observed that an improvement of the present bound on the scale of noncommutativity can be obtained only by astrophysical observations of gamma ray spectra in strong magnetic fields such as pulsars.

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