Laboratory evidence of dynamo amplification of magnetic fields in a turbulent plasma

Tzeferacos, P.; Rigby, A.; Bott, A. F.  A.; Bell, A. R.; Bingham, R.; Casner, A.; Cattaneo, F.; Churazov, E. M.; Emig, J.; Fiuza, F.; Forest, C. B.; Foster, J.; Graziani, C.; Katz, J.; Koenig, M.; Li, C. -K.; Meinecke, J.; Petrasso, R.; Park, H. -S.; Remington, B. A.; Ross, J. S.; Ryu, D.; Ryutov, D.; White, T. G.; Reville, B.; Miniati, F.; Schekochihin, A. A.; Lamb, D. Q.; Froula, D. H.; Gregori, G.

doi:10.1038/s41467-018-02953-2

Title: Laboratory evidence of dynamo amplification of magnetic fields in a turbulent plasma

Journal Article · 09 February 2018 · Nature Communications

DOI: https://doi.org/10.1038/s41467-018-02953-2 · OSTI ID:1423569

Tzeferacos, P. ^[1];

^[2]; Bott, A. F. A. ^[2]; Bell, A. R. ^[2]; Bingham, R. ^[3]; Casner, A. ^[4]; Cattaneo, F. ^[5]; Churazov, E. M. ^[6]; Emig, J. ^[7]; Fiuza, F. ^[8]; Forest, C. B. ^[9]; Foster, J. ^[10]; Graziani, C. ^[5]; Katz, J. ^[11]; Koenig, M. ^[12]; Li, C. -K. ^[13]; Meinecke, J. ^[2]; Petrasso, R. ^[13]; Park, H. -S. ^[7]; Remington, B. A. ^[7] more »

Univ. of Oxford (United Kingdom). Dept. of Physics; Univ. of Chicago, IL (United States). Dept. of Astronomy and Astrophysics
Univ. of Oxford (United Kingdom). Dept. of Physics
Science and Technology Facilities Council (STFC), Oxford (United Kingdom). Rutherford Appleton Lab. (RAL); Univ. of Strathclyde, Glasgow (United Kingdom). Dept. of Physics
Alternative Energies and Atomic Energy Commission (CEA), Arpajon (France). Dept. of the Military Applications (DAM)
Univ. of Chicago, IL (United States). Dept. of Astronomy and Astrophysics
Max Planck Inst. for Astrophysics, Garching (Germany)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Univ. of Wisconsin, Madison, WI (United States). Physics Dept.
AWE, Aldermaston, Reading, West Berkshire (United Kingdom)
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Ecole Polytechnique, Palaiseau (France). Laboratoire pour l'Utilisation des Lasers Intenses (LULI)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Ulsan National Inst. of Science and Technology (UNIST), Ulsan (Korea). Dept. of Physics
Queens Univ., Belfast (United Kingdom). School of Mathematics and Physics
Federal Inst. of Technology, Zurich (Switzerland). Dept. of Physics

Magnetic fields are ubiquitous in the Universe. The energy density of these fields is typically comparable to the energy density of the fluid motions of the plasma in which they are embedded, making magnetic fields essential players in the dynamics of the luminous matter. The standard theoretical model for the origin of these strong magnetic fields is through the amplification of tiny seed fields via turbulent dynamo to the level consistent with current observations. However, experimental demonstration of the turbulent dynamo mechanism has remained elusive, since it requires plasma conditions that are extremely hard to re-create in terrestrial laboratories. Here in this paper, we demonstrate, using laser-produced colliding plasma flows, that turbulence is indeed capable of rapidly amplifying seed fields to near equipartition with the turbulent fluid motions. These results support the notion that turbulent dynamo is a viable mechanism responsible for the observed present-day magnetization.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Univ. of Chicago, IL (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); European Union (EU); National Science Foundation (NSF)

Grant/Contract Number:: AC02-76SF00515; B591485; NA0002724; SC0016566; NA0001944; NA0003539; PHY-1619573; AC02-06CH11357; EP/M022331/1; EP/N014472/1; AC52-07NA27344

OSTI ID:: 1423569

Alternate ID(s):: OSTI ID: 1495709; OSTI ID: 1769147

Report Number(s):: LLNL-JRNL-740393; PII: 2953; TRN: US1801813

Journal Information:: Nature Communications, Vol. 9, Issue 1; ISSN 2041-1723

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 98 works

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Web of Science

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Turbulent amplification of magnetic fields in laboratory laser-produced shock waves Meinecke, J.; Doyle, H. W.; Miniati, F. Nature Physics, Vol. 10, Issue 7 https://doi.org/10.1038/nphys2978	journal	June 2014
The relation between gas density and velocity power spectra in galaxy clusters: High-resolution hydrodynamic simulations and the role of conduction Gaspari, M.; Churazov, E.; Nagai, D. Astronomy & Astrophysics, Vol. 569 https://doi.org/10.1051/0004-6361/201424043	journal	September 2014
Invited Article: Relation between electric and magnetic field structures and their proton-beam images Kugland, N. L.; Ryutov, D. D.; Plechaty, C. Review of Scientific Instruments, Vol. 83, Issue 10 https://doi.org/10.1063/1.4750234	journal	October 2012
Numerical modeling of laser-driven experiments aiming to demonstrate magnetic field amplification via turbulent dynamo Tzeferacos, P.; Rigby, A.; Bott, A. Physics of Plasmas, Vol. 24, Issue 4 https://doi.org/10.1063/1.4978628	journal	April 2017
Important plasma problems in astrophysics Kulsrud, Russell M. Physics of Plasmas, Vol. 2, Issue 5 https://doi.org/10.1063/1.871321	journal	May 1995
Developed turbulence and nonlinear amplification of magnetic fields in laboratory and astrophysical plasmas Meinecke, Jena; Tzeferacos, Petros; Bell, Anthony Proceedings of the National Academy of Sciences, Vol. 112, Issue 27 https://doi.org/10.1073/pnas.1502079112	journal	June 2015
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Simulations of the Small‐Scale Turbulent Dynamo Schekochihin, Alexander A.; Cowley, Steven C.; Taylor, Samuel F. The Astrophysical Journal, Vol. 612, Issue 1 https://doi.org/10.1086/422547	journal	September 2004
Fluctuation dynamo and turbulent induction at low magnetic Prandtl numbers Schekochihin, A. A.; Iskakov, A. B.; Cowley, S. C. New Journal of Physics, Vol. 9, Issue 8 https://doi.org/10.1088/1367-2630/9/8/300	journal	August 2007
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Inferring Morphology and Strength of Magnetic Fields From Proton Radiographs Graziani, Carlo; Tzeferacos, Petros; Lamb, Donald Q. arXiv https://doi.org/10.48550/arxiv.1603.08617	text	January 2016
Cluster Magnetic Fields Carilli, C. L.; Taylor, G. B. arXiv https://doi.org/10.48550/arxiv.astro-ph/0110655	text	January 2001
Turbulence, magnetic fields and plasma physics in clusters of galaxies Schekochihin, A. A.; Cowley, S. C. arXiv https://doi.org/10.48550/arxiv.astro-ph/0601246	text	January 2006
Detection of a flow induced magnetic field eigenmode in the Riga dynamo facility Gailitis, Agris; Lielausis, Olgerts; Dement'ev, Sergej arXiv https://doi.org/10.48550/arxiv.physics/9912026	text	January 1999

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Journal Article · 2021 · Proceedings of the National Academy of Sciences of the United States of America · OSTI ID:1771062

Bott, Archie F. A.; Tzeferacos, Petros; Chen, Laura; +25 more

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70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Interstellar medium
Laser-produced plasmas
Lasers

Title: Laboratory evidence of dynamo amplification of magnetic fields in a turbulent plasma

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