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Statistical Aspects of Diffusion in Turbulent Plasmas

Igor Holod (Institutionen för elektromagnetik)
Göteborg : Chalmers University of Technology, 2004. ISBN: 91-7291-559-5.- 28 s.
[Doktorsavhandling]

In this work we address the closure issue in kinetic and fluid descriptions of turbulent plasmas. In fluid description contribution has been made to the nonlinear closure by Mattor and Parker [Phys. Rev. Lett. 79, 3419 (1997)]. It was generalized by taking into account effects of diffusion due to the background turbulence.

In kinetic description we have focused on the Fokker-Planck approach. Within this approach we developed non-Markovian quasilinear theory of particle diffusion in random fields. We have also made a contribution to the theory of Brownian motion of charged particle in constant external electric and magnetic fields. In connection with that, the theory of large-scale fluctuations in plasmas has been developed.

Nyckelord: fluid closure, turbulent diffusion, Fokker-Plack equation, non-Markovian effects, fluctuations



Denna post skapades 2006-08-28. Senast ändrad 2013-09-25.
CPL Pubid: 4248

 

Institutioner (Chalmers)

Institutionen för elektromagnetik (1900-2004)

Ämnesområden

Elektroteknik och elektronik

Chalmers infrastruktur

Ingår i serie

Technical report - School of Electrical Engineering, Chalmers University of Technology, Göteborg, Sweden 493


Doktorsavhandlingar vid Chalmers tekniska högskola. Ny serie 2241