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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, temperature) are thus approximately energetically isolated from the higher moments of the distribution functio...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1063/1.4958954

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Department:
Oxford, MPLS, Mathematical Institute
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Department:
Oxford, MPLS, Physics, Theoretical Physics
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Department:
Oxford, MPLS, Physics, Theoretical Physics
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Department:
Oxford, MPLS, Mathematical Institute
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Funding agency for:
Highcock, EG
Publisher:
AIP Publishing Publisher's website
Journal:
Physics of Plasmas Journal website
Volume:
23
Issue:
070703
Pages:
1-5
Publication date:
2016-07-15
Acceptance date:
2016-07-05
DOI:
EISSN:
1089-7674
ISSN:
1070-664X
Pubs id:
pubs:635522
URN:
uri:0dca7b88-8236-4f48-a675-9bb90a4394ce
UUID:
uuid:0dca7b88-8236-4f48-a675-9bb90a4394ce
Local pid:
pubs:635522

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