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Inefficient magnetic-field amplification in supersonic laser-plasma turbulence
Resource type
Authors/contributors
- Bott, A. F. A. (Author)
- Chen, L. (Author)
- Boutoux, G. (Author)
- Caillaud, T. (Author)
- Duval, A. (Author)
- Koenig, M. (Author)
- Khiar, B. (Author)
- Lantuéjoul, I. (Author)
- Le-Deroff, L. (Author)
- Reville, B. (Author)
- Rosch, R. (Author)
- Ryu, D. (Author)
- Spindloe, C. (Author)
- Vauzour, B. (Author)
- Villette, B. (Author)
- Schekochihin, A. A. (Author)
- Lamb, D. Q. (Author)
- Tzeferacos, P. (Author)
- Gregori, G. (Author)
- Casner, A. (Author)
Title
Inefficient magnetic-field amplification in supersonic laser-plasma turbulence
Abstract
We report a laser-plasma experiment that was carried out at the LMJ-PETAL facility and realized the first magnetized, turbulent, supersonic plasma with a large magnetic Reynolds number ($\mathrm{Rm} \approx 45$) 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.
Publication
Physical Review Letters
Volume
127
Issue
17
Pages
175002
Date
2021-10-21
Journal Abbr
Phys. Rev. Lett.
ISSN
0031-9007, 1079-7114
Accessed
8/29/24, 10:28 AM
Library Catalog
Extra
14 citations (Crossref/DOI) [2024-10-03]
14 citations (Crossref/DOI) [2024-10-02]
arXiv:2008.06594 [astro-ph, physics:physics]
Notes
Comment: 6 pages, 4 figures; supplemental information included (14 pages, 10 figures)
Citation
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). Inefficient magnetic-field amplification in supersonic laser-plasma turbulence. Physical Review Letters, 127(17), 175002. https://doi.org/10.1103/PhysRevLett.127.175002
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