- Abstract:
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Results from a numerical study of fluctuation dynamo in a collisionless, weakly magnetized plasma are presented. The key difference between this dynamo and its magnetohydrodynamic (MHD) counterpart is the adiabatic production of magnetic-field-aligned pressure anisotropy by the amplification of a weak seed field. This, in turn, drives kinetic instabilities on the ion-Larmor scale - namely, firehose and mirror - which sever the adiabatic link between the thermal and magnetic pressures, thereby...
Expand abstract - Publication status:
- Published
- Peer review status:
- Peer reviewed
- Version:
- Publisher's Version
- Files:
-
-
(pdf, 1.3mb)
-
- Publisher copy:
- 10.3847/2041-8213/aad638
-
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- Publisher:
- American Astronomical Society Publisher's website
- Journal:
- The Astrophysical Journal Letters
- Volume:
- 863
- Issue:
- 2
- Pages:
- Article: L25
- Publication date:
- 2018-08-16
- Acceptance date:
- 2018-07-26
- DOI:
- EISSN:
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2041-8213
- ISSN:
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2041-8205
- Pubs id:
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pubs:1043319
- URN:
-
uri:4e3c08d9-0bea-4006-a419-6426b5ff4416
- UUID:
-
uuid:4e3c08d9-0bea-4006-a419-6426b5ff4416
- Local pid:
- pubs:1043319
- Copyright holder:
- The American Astronomical Society
- Copyright date:
- 2018
- Notes:
- © 2018. The American Astronomical Society. All rights reserved. This is the published version of this article. The final version is available online from the American Astronomical Society at: https://doi.org/10.3847/2041-8213/aad638
Journal article
Fluctuation dynamo in a collisionless, weakly magnetized plasma
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