The endpoint formalism for the calculation of electromagnetic radiation and its applications in astroparticle physics

@article{Huege2011TheEF,
  title={The endpoint formalism for the calculation of electromagnetic radiation and its applications in astroparticle physics},
  author={T. Huege and Clancy W. James and Heino Falcke and Marianne Ludwig},
  journal={arXiv: High Energy Astrophysical Phenomena},
  year={2011},
  volume={4},
  pages={308}
}
We present the "endpoint" formalism for the calculation of electromagnetic radiation and illustrate its applications in astroparticle physics. We use the formalism to explain why the coherent radiation from the Askaryan effect is not in general Cherenkov radiation, as the emission directly results from the time-variation of the net charge in the particle shower. Secondly, we illustrate how the formalism has been applied in the air shower radio emission code REAS3 to unify the microscopic and… 
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