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Title: First experiments probing the collision of parallel magnetic fields using laser-produced plasmas

Abstract

Novel experiments to study the strongly-driven collision of parallel magnetic fields in ß~10, laser-produced plasmas have been conducted using monoenergetic proton radiography. These experiments were designed to probe the process of magnetic flux pileup, which has been identified in prior laser-plasma experiments as a key physical mechanism in the reconnection of anti-parallel magnetic fields when the reconnection inflow is dominated by strong plasma flows. In the present experiments using colliding plasmas carrying parallel magnetic fields, the magnetic flux is found to be conserved and slightly compressed in the collision region. Two-dimensional (2D) particle-in-cell (PIC) simulations predict a stronger flux compression and amplification of the magnetic field strength, and this discrepancy is attributed to the three-dimensional (3D) collision geometry. Future experiments may drive a stronger collision and further explore flux pileup in the context of the strongly-driven interaction of magnetic fields.

Authors:
 [1];  [1]; ORCiD logo [2];  [3];  [1];  [4]; ORCiD logo [1];  [3];  [3]; ORCiD logo [1]
+ Show Author Affiliations
  1. Plasma Science and Fusion Center and Massachusetts Institute of Technology, Cambridge, MA (United States)
  2. Princeton Plasma Physics Laboratory, Princeton, NJ (United States)
  3. University of Rochester, NY (United States). Laboratory for Laser Energetics
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Plasma Science and Fusion Center and Massachusetts Institute of Technology, Cambridge, MA (United States). High Energy Density Physics Division; Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1177962
Alternate Identifier(s):
OSTI ID: 1177965; OSTI ID: 1228213
Grant/Contract Number:  
NA0001857; NA0002035
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 22; Journal Issue: 4; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Rosenberg, M. J., Li, C. K., Fox, W., Igumenshchev, I., Seguin, F. H., Town, R. P., Frenje, J. A., Stoeckl, C., Glebov, V., and Petrasso, R. D. First experiments probing the collision of parallel magnetic fields using laser-produced plasmas. United States: N. p., 2015. Web. doi:10.1063/1.4917248.
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Rosenberg, M. J., Li, C. K., Fox, W., Igumenshchev, I., Seguin, F. H., Town, R. P., Frenje, J. A., Stoeckl, C., Glebov, V., & Petrasso, R. D. First experiments probing the collision of parallel magnetic fields using laser-produced plasmas. United States. https://doi.org/10.1063/1.4917248
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Rosenberg, M. J., Li, C. K., Fox, W., Igumenshchev, I., Seguin, F. H., Town, R. P., Frenje, J. A., Stoeckl, C., Glebov, V., and Petrasso, R. D. Wed . "First experiments probing the collision of parallel magnetic fields using laser-produced plasmas". United States. https://doi.org/10.1063/1.4917248. https://www.osti.gov/servlets/purl/1177962.
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@article{osti_1177962,
title = {First experiments probing the collision of parallel magnetic fields using laser-produced plasmas},
author = {Rosenberg, M. J. and Li, C. K. and Fox, W. and Igumenshchev, I. and Seguin, F. H. and Town, R. P. and Frenje, J. A. and Stoeckl, C. and Glebov, V. and Petrasso, R. D.},
abstractNote = {Novel experiments to study the strongly-driven collision of parallel magnetic fields in ß~10, laser-produced plasmas have been conducted using monoenergetic proton radiography. These experiments were designed to probe the process of magnetic flux pileup, which has been identified in prior laser-plasma experiments as a key physical mechanism in the reconnection of anti-parallel magnetic fields when the reconnection inflow is dominated by strong plasma flows. In the present experiments using colliding plasmas carrying parallel magnetic fields, the magnetic flux is found to be conserved and slightly compressed in the collision region. Two-dimensional (2D) particle-in-cell (PIC) simulations predict a stronger flux compression and amplification of the magnetic field strength, and this discrepancy is attributed to the three-dimensional (3D) collision geometry. Future experiments may drive a stronger collision and further explore flux pileup in the context of the strongly-driven interaction of magnetic fields.},
doi = {10.1063/1.4917248},
journal = {Physics of Plasmas},
number = 4,
volume = 22,
place = {United States},
year = {Wed Apr 08 00:00:00 EDT 2015},
month = {Wed Apr 08 00:00:00 EDT 2015}
}
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Journal Article:
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https://doi.org/10.1063/1.4917248
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Works referenced in this record:

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    Works referencing / citing this record:

    Regimes of magnetic reconnection in colliding laser-produced magnetized plasma bubbles
    journal, September 2018

    • Lezhnin, K. V.; Fox, W.; Matteucci, J.
    • Physics of Plasmas, Vol. 25, Issue 9
    • DOI: 10.1063/1.5044547

    Anomalous plasma acceleration in colliding high-power laser-produced plasmas
    journal, September 2019

    • Morita, T.; Nagashima, K.; Edamoto, M.
    • Physics of Plasmas, Vol. 26, Issue 9
    • DOI: 10.1063/1.5100197

    Anomalous plasma acceleration in colliding high-power laser-produced plasmas
    text, January 2019

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