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Fluctuation-dissipation relations for a plasma-kinetic Langevin equation

Abstract:

A linearised kinetic equation describing electrostatic perturbations of a Maxwellian equilibrium in a weakly collisional plasma forced by a random source is considered. The problem is treated as a kinetic analogue of the Langevin equation and the corresponding fluctuation-dissipation relations are derived. The kinetic fluctuation-dissipation relation reduces to the standard fluid one in the regime where the Landau damping rate is small and the system has no real frequency; in this case the si...

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Publisher copy:
10.1017/S0022377814000622

Authors


Publisher:
Cambridge University Press
Journal:
Journal of Plasma Physics
Volume:
760
Publication date:
2014-09-05
DOI:
EISSN:
1469-7807
ISSN:
0022-3778
URN:
uuid:85368210-ae9e-4247-b197-9fba20350a64
Source identifiers:
493085
Local pid:
pubs:493085
Language:
English

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