Langevin representation of Coulomb collisions for bi-Maxwellian plasmas

0481857 - ASÚ 2018 RIV US eng J - Článek v odborném periodiku
Hellinger, Petr - Trávníček, Pavel M.
Langevin representation of Coulomb collisions for bi-Maxwellian plasmas.
Journal of Computational Physics. Roč. 229, č. 14 (2010), s. 5432-5439. ISSN 0021-9991. E-ISSN 1090-2716
Grant ostatní: Akademie věd - GA AV ČR(CZ) IAA300420702; Akademie věd - GA AV ČR(CZ) IAA300420602
Program: IA; IA
Výzkumný záměr: CEZ:AV0Z10030501
Klíčová slova: Coulomb collisions * Langevin equation * Bi-Maxwellian distribution function
Obor OECD: Astronomy (including astrophysics,space science)
Impakt faktor: 2.345, rok: 2010

Langevin model corresponding to the Fokker-Planck equation for bi-Maxwellian particle distribution functions is developed. Rosenbluth potentials and their derivatives are derived in the form of triple hypergeometric functions. The Langevin model is tested in the case of relaxation of the proton temperature anisotropy and implemented into the hybrid expanding box model. First results of this code are presented and discussed. (C) 2010 Elsevier Inc. All rights reserved.
Trvalý link: http://hdl.handle.net/11104/0277320