Inefficient Magnetic-Field Amplification in Supersonic Laser-Plasma Turbulence
Bott, A. F. A.; Chen, L.; Boutoux, G.; Caillaud, T.; Duval, A.; Koenig, M.; Khiar, B.; Lantuéjoul, I.; Le-Deroff, L.; Reville, B.; Rosch, R.; Ryu, D.; Spindloe, C.; Vauzour, B.; Villette, B.; Schekochihin, A. A.; Lamb, D. Q.; Tzeferacos, P.; Gregori, G.; Casner, A.
2021
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Abstract

We report a laser-plasma experiment that was carried out at the LMJ-PETAL facility and realized the first magnetized, turbulent, supersonic (Maturb ≈2.5) plasma with a large magnetic Reynolds number (Rm ≈45) in the laboratory. Initial seed magnetic fields were amplified, but only moderately so, and did not become dynamically significant. A notable absence of magnetic energy at scales smaller than the outer scale of the turbulent cascade was also observed. Our results support the notion that moderately supersonic, low-magnetic-Prandtl-number plasma turbulence is inefficient at amplifying magnetic fields compared to its subsonic, incompressible counterpart.

Details

Title
Inefficient Magnetic-Field Amplification in Supersonic Laser-Plasma Turbulence
Author
Bott, A. F. A. : University of Oxford : (https://orcid.org/0000-0001-8071-3083)
Chen, L. : University of Oxford
Boutoux, G. : CEA-DAM
Caillaud, T. : CEA-DAM
Duval, A. : CEA-DAM
Koenig, M. : Institut Polytechnique de Paris
Khiar, B. : University of Chicago
Lantuéjoul, I. : CEA-DAM
Le-Deroff, L. : CEA-DAM : (https://orcid.org/0000-0001-9914-5805)
Reville, B. : Max-Planck-Institut für Kernphysik : (https://orcid.org/0000-0002-3778-1432)
Rosch, R. : CEA-DAM
Ryu, D. : UNIST : (https://orcid.org/0000-0002-5455-2957)
Spindloe, C. : STFC Rutherford Appleton Laboratory
Vauzour, B. : CEA-DAM
Villette, B. : CEA-DAM
Schekochihin, A. A. : University of Oxford : (https://orcid.org/0000-0003-4421-1128)
Lamb, D. Q. : University of Chicago
Tzeferacos, P. : University of Chicago
Gregori, G. : University of Oxford
Casner, A. : CEA-DAM : (https://orcid.org/0000-0003-2176-1389)
Content Type
Article
Published in
Physical Review Letters
Identifier(s)
DOI: https://doi.org/10.1103/physrevlett.127.175002
Funding Information
Engineering and Physical Sciences Research Council, EP/M022331/1
Engineering and Physical Sciences Research Council, EP/N014472/1
Engineering and Physical Sciences Research Council, EP/RO34737/1
U.S. Department of Energy, DE-NA0002724
U.S. Department of Energy, DE-NA0003605
U.S. Department of Energy, DE-NA0003934
U.S. Department of Energy, DE-NA0003539
U.S. Department of Energy, DE-NA0003856
U.S. Department of Energy, DE-SC0016566
National Science Foundation, PHY-1619573
National Science Foundation, PHY-2033925
National Science Foundation, AST-1908551
France And Chicago Collaborating in The Sciences
National Research Foundation of Korea, 2016R1A5A1013277
National Research Foundation of Korea, 2020R1A2C2102800
U.S. Department of Energy, DE-AC02-06CH11357
French Agence Nationale de la Recherche, ANR-10-EQPX-42-01
Publication Date
2021-10-21
Language
English
Copyright Statement
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Licensing
Record Appears in
Physical Sciences Division > Astronomy and Astrophysics
All
Record Created
2024-12-04

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