Fractional Boltzmann equation for resonance radiation transport in plasma

Details Fractional Boltzmann equation for resonance radiation transport in plasma Fractional Boltzmann equation for resonance radiation transport in plasma

2010-08-26

arxiv.org/abs/1008.4439v1

Physics

Plasma Physics

5 pages, 2 figures, 4th IFAC Workshop on Fractional Differentiation and Its Applications (Spain, Badajos, 2010)

Scientific paper

The fractional Boltzmann equation for resonance radiation transport in plasma is proposed. We start from the standard Boltzmann equation, averaging over frequencies leads to appearance of fractional derivative. This fact is in accordance with the conception of latent variables leading to hereditary and non-local dynamics (in particular, fractional dynamics). The presence of the fractional material derivative in the equation is concordant with heavy tailed distribution of photon path lengths and with spatiotemporal coupling peculiar to the process. We discuss some methods of solution of the obtained equation and demonstrate numerical results in some simple cases.

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