Gyrokinetic linearized Landau collision operator

Jens Madsen

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Abstract

The full gyrokinetic electrostatic linearized Landau collision operator is calculated including the equilibrium operator, which represents the effect of collisions between gyrokinetic Maxwellian particles. First, the equilibrium operator describes energy exchange between different plasma species, which is important in multiple ion-species plasmas. Second, the equilibrium operator describes drag and diffusion of the magnetic field aligned component of the vorticity associated with the E×B drift. Therefore, a correct description of collisional effects in turbulent plasmas requires the equilibrium operator, even for like-particle collisions.
Original languageEnglish
JournalPhysical Review E. Statistical, Nonlinear, and Soft Matter Physics
Volume87
Issue number1
Pages (from-to)011101
ISSN1063-651X
Publication statusPublished - 2013

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©2013 American Physical Society

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