Energetically consistent collisional gyrokinetics

J. W. Burby; A. J. Brizard; H. Qin

doi:10.1063/1.4935124

Energetically consistent collisional gyrokinetics

J. W. Burby, A. J. Brizard, H. Qin

PPPL Computational Science

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

We present a formulation of collisional gyrokinetic theory with exact conservation laws for energy and canonical toroidal momentum. Collisions are accounted for by a nonlinear gyrokinetic Landau operator. Gyroaveraging and linearization do not destroy the operator's conservation properties. Just as in ordinary kinetic theory, the conservation laws for collisional gyrokinetic theory are selected by the limiting collisionless gyrokinetic theory.

Original language	English (US)
Article number	100707
Journal	Physics of Plasmas
Volume	22
Issue number	10
DOIs	https://doi.org/10.1063/1.4935124
State	Published - Oct 1 2015

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.4935124

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abstract = "We present a formulation of collisional gyrokinetic theory with exact conservation laws for energy and canonical toroidal momentum. Collisions are accounted for by a nonlinear gyrokinetic Landau operator. Gyroaveraging and linearization do not destroy the operator's conservation properties. Just as in ordinary kinetic theory, the conservation laws for collisional gyrokinetic theory are selected by the limiting collisionless gyrokinetic theory.",

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N2 - We present a formulation of collisional gyrokinetic theory with exact conservation laws for energy and canonical toroidal momentum. Collisions are accounted for by a nonlinear gyrokinetic Landau operator. Gyroaveraging and linearization do not destroy the operator's conservation properties. Just as in ordinary kinetic theory, the conservation laws for collisional gyrokinetic theory are selected by the limiting collisionless gyrokinetic theory.

AB - We present a formulation of collisional gyrokinetic theory with exact conservation laws for energy and canonical toroidal momentum. Collisions are accounted for by a nonlinear gyrokinetic Landau operator. Gyroaveraging and linearization do not destroy the operator's conservation properties. Just as in ordinary kinetic theory, the conservation laws for collisional gyrokinetic theory are selected by the limiting collisionless gyrokinetic theory.

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Energetically consistent collisional gyrokinetics

Abstract

All Science Journal Classification (ASJC) codes

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