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Suppression of phase mixing in drift-kinetic plasma turbulence

Abstract:

Transfer of free energy from large to small velocity-space scales by phase mixing leads to Landau damping in a linear plasma. In a turbulent drift-kinetic plasma, this transfer is statistically nearly canceled by an inverse transfer from small to large velocity-space scales due to “anti-phasemixing” modes excited by a stochastic form of plasma echo. Fluid moments (density, velocity, and temperature) are thus approximately energetically isolated from the higher moments of the distribution func...

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Publication status:
Published
Peer review status:
Peer reviewed

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Files:
Publisher copy:
10.1063/1.4958954

Authors


Parker, JT More by this author
Highcock, EG More by this author
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Department:
Oxford, MPLS, Physics, Theoretical Physics
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Department:
Oxford, MPLS, Mathematical Institute
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Grant:
WP14-FRF-CCFE/Highcock
Publisher:
American Institute of Physics Publisher's website
Journal:
Physics of Plasmas Journal website
Volume:
23
Issue:
7
Pages:
070703
Publication date:
2016-07-05
Acceptance date:
2016-07-05
DOI:
ISSN:
1089-7674 and 1070-664X
Pubs id:
pubs:612004
URN:
uri:737839b7-2d9e-4276-a03b-b5028c3f6541
UUID:
uuid:737839b7-2d9e-4276-a03b-b5028c3f6541
Local pid:
pubs:612004

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