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Developed turbulence and nonlinear amplification of magnetic fields in laboratory and astrophysical plasmas.

Abstract:

The visible matter in the universe is turbulent and magnetized. Turbulence in galaxy clusters is produced by mergers and by jets of the central galaxies and believed responsible for the amplification of magnetic fields. We report on experiments looking at the collision of two laser-produced plasma clouds, mimicking, in the laboratory, a cluster merger event. By measuring the spectrum of the density fluctuations, we infer developed, Kolmogorov-like turbulence. From spectral line broadening, we...

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

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Publisher copy:
10.1073/pnas.1502079112

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Tzeferacos, P More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Bingham, R More by this author
Clarke, RJ More by this author
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Science and Technology Facilities Council More from this funder
Publisher:
National Academy of Sciences Publisher's website
Journal:
Proceedings of the National Academy of Sciences of the United States of America Journal website
Volume:
112
Issue:
27
Pages:
8211-8215
Publication date:
2015-07-05
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
URN:
uuid:e24bc2a3-3845-4685-852d-588517699348
Source identifiers:
528345
Local pid:
pubs:528345

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