Mechanical Model for Relativistic Blast Waves
arXiv:astro-ph/0607641 · doi:10.1086/508807
Abstract
Relativistic blast waves can be described by a mechanical model. In this model, the "blast" -- the compressed gas between the forward and reverse shocks -- is viewed as one hot body. Equations governing its dynamics are derived from conservation of mass, energy, and momentum. Simple analytical solutions are obtained in the two limiting cases of ultra-relativistic and non-relativistic reverse shock. Equations are derived for the general explosion problem.
8 pages, accepted to ApJ Letters
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