Friday, January 25, 2013

1301.5707 (Petr Satunin)

Width of photon decay in magnetic field: elementary semiclassical derivation and sensitivity to Lorentz violation    [PDF]

Petr Satunin
We present an elementary derivation of the width of photon decay in a weak magnetic field using the semiclassical method of worldline instantons. The calculation is generalized to a model of quantum electrodynamics with broken Lorentz symmetry. Implications for the search of deviations from Lorentz invariance in the cosmic ray experiments are discussed.
View original: http://arxiv.org/abs/1301.5707

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