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A non-linear theory of the parallel firehose and gyrothermal instabilities in a weakly collisional plasma

Abstract:

Weakly collisional magnetized cosmic plasmas have a dynamical tendency to develop pressure anisotropies with respect to the local direction of the magnetic field. These anisotropies trigger plasma instabilities at scales just above the ion Larmor radius ρ i and much below the mean free path λ mfp. They have growth rates of a fraction of the ion cyclotron frequency, which is much faster than either the global dynamics or even local turbulence. Despite their microscopic nature, these instabilit...

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Publication status:
Published

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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
413
Issue:
1
Pages:
7-38
Publication date:
2011-05-01
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Source identifiers:
196302
Language:
English
Keywords:
Pubs id:
pubs:196302
UUID:
uuid:bf95da13-8f0d-4ec1-b2fd-4ea33fce0426
Local pid:
pubs:196302
Deposit date:
2012-12-19

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