Nonthermal tails of the electron distribution functions with nonlocal transport

V. Yu. Bychenkov; S. G. Bochkarev; Wojciech Rozmus; O. V. Batishchev; J. J. Martinell; T. K. Soboleva

doi:10.1117/12.536948

12 December 2003 Nonthermal tails of the electron distribution functions with nonlocal transport

V. Yu. Bychenkov, S. G. Bochkarev, Wojciech Rozmus, O. V. Batishchev, J. J. Martinell, T. K. Soboleva

Proceedings Volume 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter; (2003) https://doi.org/10.1117/12.536948
Event: ECLIM 2002: 27th European conference on Laser Interaction with Matter, 2002, Moscow, Russian Federation

Abstract

Quasi-self-similar solutions to the stationary electron Fokker-Planck equation in diffusive approximation have been found in inhomogeneous plasma. These solutions describe reduction in the number of bulk electrons and formation of the suprathermal tail. The characteristics of the stationary electron distributions have been treated in terms of the collisionality parameter, the ratio of the electron stoping rage to the plasma gradient scale length. The dependencies of the electron distribution functions on density profile has been studied. Fokker-Plank simulations performed demonstrate good agreement with a theory.

Citation Download Citation

V. Yu. Bychenkov, S. G. Bochkarev, Wojciech Rozmus, O. V. Batishchev, J. J. Martinell, and T. K. Soboleva "Nonthermal tails of the electron distribution functions with nonlocal transport", Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); https://doi.org/10.1117/12.536948

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