Radiation from a D-dimensional collision of shock waves: higher order set up and perturbation theory validity

@article{Coelho2013RadiationFA,
  title={Radiation from a D-dimensional collision of shock waves: higher order set up and perturbation theory validity},
  author={F. S. Coelho and C. Herdeiro and C. Rebelo and M. Sampaio},
  journal={Physical Review D},
  year={2013},
  volume={87},
  pages={084034}
}
  • F. S. Coelho, C. Herdeiro, +1 author M. Sampaio
  • Published 2013
  • Physics
  • Physical Review D
  • The collision of two D-dimensional, ultra-relativistic particles, described in General Relativity as Aichelberg-Sexl shock waves, is inelastic. In first order perturbation theory, the fraction of the initial centre of mass energy radiated away was recently shown to be 1/2 - 1/D. Here, we extend the formalism to higher orders in perturbation theory, and derive a general expression to extract the inelasticity, valid non-perturbatively, based on the Bondi mass loss formula. Then, to clarify why… CONTINUE READING
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