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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-phase-mixing” 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 fun...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1063/1.4958954

Authors


Parker, JT More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Institute
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Grant:
EP/E054625/1; Doctoral Training Grant award to J.T.P.
Publisher:
AIP Publishing Publisher's website
Journal:
Physics of Plasmas Journal website
Volume:
23
Issue:
7
Pages:
Article: 070703
Publication date:
2016
DOI:
EISSN:
1089-7674
ISSN:
1070-664X
URN:
uuid:36d840ae-8a0b-4bec-99c3-f7781eaf37da
Source identifiers:
635522
Local pid:
pubs:635522

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