Nonlinear Dynamics of Incoherent Superstrong Radiation in a Plasma

Details Nonlinear Dynamics of Incoherent Superstrong Radiation in a Plasma Nonlinear Dynamics of Incoherent Superstrong Radiation in a Plasma

2006-11-22

arxiv.org/abs/astro-ph/0611702v1

Astronomy and Astrophysics

Astrophysics

Topical Review Talk ICPP06

Scientific paper

We present a new concept of nonlinear dynamics of incoherent superstrong radiation in plasmas. Recently we have disclosed a novel mechanism of the establishment of equilibrium between a photon and a dense photon bunch through the exchange of longitudinal photons (Tsintsadze 2004 Phys. Plasmas 11, 855). Based on this mechanism of the "Compton" scattering type, we have generalized Wigner-Moyal equation for the dense photon gas, including the collision integral for the occupation number of photons. In the geometric optics approximation the Wigner-Moyal type of equation reduces to the one particle Vlasov-Boltzmann equation for the photon gas. From this equation, which gives a microscopic description of the photon gas, we derive a set of fluid equations, and consider numerically the formation of 3D shock waves.

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