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Astrophysical gyrokinetics: turbulence in pressure-anisotropic plasmas at ion scales and beyond

Abstract:

We present a theoretical framework for describing electromagnetic kinetic turbulence in a multi-species, magnetized, pressure-anisotropic plasma. The turbulent fluctuations are assumed to be small compared to the mean field, to be spatially anisotropic with respect to it and to have frequencies small compared to the ion cyclotron frequency. At scales above the ion-Larmor radius, the theory reduces to the pressure-anisotropic generalization of kinetic reduced magnetohydrodynamics (KRMHD) formu...

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

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Publisher copy:
10.1017/S0022377818000296

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Theoretical Physics
Oxford college:
Merton College
ORCID:
0000-0003-4421-1128
Publisher:
Cambridge University Press Publisher's website
Journal:
Journal of Plasma Physics Journal website
Volume:
84
Issue:
2
Pages:
Article: 715840201
Publication date:
2018-04-12
Acceptance date:
2018-03-20
DOI:
EISSN:
1469-7807
ISSN:
0022-3778
Pubs id:
pubs:845017
URN:
uri:fa827995-0f7d-4823-9a66-d4d799e62b61
UUID:
uuid:fa827995-0f7d-4823-9a66-d4d799e62b61
Local pid:
pubs:845017

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