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Langevin representation of Coulomb collisions for bi-Maxwellian plasmas

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    0481857 - ASÚ 2018 RIV US eng J - Journal Article
    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 - others:Akademie věd - GA AV ČR(CZ) IAA300420702; Akademie věd - GA AV ČR(CZ) IAA300420602
    Program: IA; IA
    Institutional research plan: CEZ:AV0Z10030501
    Keywords : Coulomb collisions * Langevin equation * Bi-Maxwellian distribution function
    OECD category: Astronomy (including astrophysics,space science)
    Impact factor: 2.345, year: 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.
    Permanent Link: http://hdl.handle.net/11104/0277320

     
     
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