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Langevin Representation of Coulomb Collisions for bi-Maxwellian Plasmas

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    0356371 - ÚFA 2011 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
    R&D Projects: GA AV ČR IAA300420702; GA AV ČR IAA300420602
    Institutional research plan: CEZ:AV0Z30420517
    Keywords : Coulomb collisions * Langevin equation * Bi-Maxwellian distribution function * Stochastic differential equation
    Subject RIV: BL - Plasma and Gas Discharge Physics
    Impact factor: 2.345, year: 2010
    http://www.elsevier.com/locate/jcp

    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.
    Permanent Link: http://hdl.handle.net/11104/0194909

     
     
Number of the records: 1  

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