Vacuum Cherenkov radiation in quantum electrodynamics with high-energy Lorentz violation

@article{Anselmi2011VacuumCR,
  title={Vacuum Cherenkov radiation in quantum electrodynamics with high-energy Lorentz violation},
  author={D. Anselmi and M. Taiuti},
  journal={Physical Review D},
  year={2011},
  volume={83},
  pages={056010}
}
We study phenomena predicted by a renormalizable, CPT invariant extension of the standard model that contains higher-dimensional operators and violates Lorentz symmetry explicitly at energies greater than some scale {Lambda}{sub L}. In particular, we consider the Cherenkov radiation in vacuo. In a rather general class of dispersion relations, there exists an energy threshold above which radiation is emitted. The threshold is enhanced in composite particles by a sort of kinematic screening… Expand

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