3 years ago

Radiation- and pair-loaded shocks.

Maxim Lyutikov

We consider structure of mildly relativistic shocks in dense media, taking into account radiation and pair loading, and diffusive radiation transfer. For increasing shock velocity (increasing post-shock temperature), the first effect is the efficient energy redistribution by radiation within the shock that leads to the appearance of an isothermal jump, whereby the flow reaches the finial state through a discontinuous isothermal transition (which is not a shock). For sufficiently high temperatures the highly radiation-dominated shocks do not form isothermal jump. Pair production can mildly increase the overall shock compression ratio to $\approx 10$ (from $4$ for matter-dominated shocks and $7$ of the radiation-dominated shocks).

Publisher URL: http://arxiv.org/abs/1801.04221

DOI: arXiv:1801.04221v1

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