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Title: A novel platform to study magnetized high-velocity collisionless shocks

Abstract

An experimental platform to study the interaction of two colliding high-velocity (0.01–0.2c; 0.05–20 MeV) proton plasmas in a high strength (20 T) magnetic field is introduced. This platform aims to study the collision of magnetized plasmas accelerated via the Target-Normal-Sheath-Acceleration mechanism and initially separated by distances of a few hundred microns. The plasmas are accelerated from solid targets positioned inside a few cubic millimeter cavity located within a Helmholtz coil that provides up to 20 T magnetic fields. Various parameters of the plasmas at their interaction location are estimated. These show an interaction that is highly non-collisional, and that becomes more and more dominated by the magnetic fields as time progresses (from 5 to 60 ps). Particle-in-cell simulations are used to reproduce the initial acceleration of the plasma both via simulations including the laser interaction and via simulations that start with preheated electrons (to save dramatically on computational expense). The benchmarking of such simulations with the experiment and with each other will be used to understand the physical interaction when a magnetic field is applied. In conclusion, the experimental density profile of the interacting plasmas is shown in the case without an applied magnetic magnetic field, so to show thatmore » without an applied field that the development of high-velocity shocks, as a result of particle-to-particle collisions, is not achievable in the configuration considered.« less

Authors:
 [1];  [2];  [3];  [1];  [4];  [5];  [6];  [7];  [8];  [4];  [1]
  1. Ecole Polytechnique Univ., Palaiseau (France)
  2. Univ. of Bordeaux, Talence (France); National Research Nuclear University (MEPhI), Moscow (Russia)
  3. Le Laboratoire National des Champs Magnetiques Intenses (LNCMI), Toulouse (France)
  4. Univ. of Bordeaux, Talence (France)
  5. Inst. national de la recherche scientifique (INRS), QC (Canada). Energie, Materiaux et Telecommunications (EMT)
  6. National Research Nuclear University (MEPhI), Moscow (Russia); Russian Academy of Sciences (RAS), Moscow (Russian Federation). Joint Inst.for High Temperatures
  7. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  8. Ecole Polytechnique Univ., Palaiseau (France); Alternative Energies and Atomic Energy Commission (CEA), Arpajon (France)
Publication Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1262175
Alternate Identifier(s):
OSTI ID: 1252557
Report Number(s):
LLNL-JRNL-686314
Journal ID: ISSN 1574-1818
Grant/Contract Number:  
AC52-07NA27344; 12-BS09-025-01; 2014-056129; #14-29-06099; #15-32-21121
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
High Energy Density Physics
Additional Journal Information:
Journal Volume: 17; Journal Issue: PA; Journal ID: ISSN 1574-1818
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Astrophysical collisionless shocks; Magnetized plasmas; High-velocity-shocks

Citation Formats

Higginson, D. P., Korneev, Ph, Béard, J., Chen, S. N., d'Humières, E., Pépin, H., Pikuz, S., Pollock, B., Riquier, R., Tikhonchuk, V., and Fuchs, J. A novel platform to study magnetized high-velocity collisionless shocks. United States: N. p., 2014. Web. doi:10.1016/j.hedp.2014.11.007.
Higginson, D. P., Korneev, Ph, Béard, J., Chen, S. N., d'Humières, E., Pépin, H., Pikuz, S., Pollock, B., Riquier, R., Tikhonchuk, V., & Fuchs, J. A novel platform to study magnetized high-velocity collisionless shocks. United States. https://doi.org/10.1016/j.hedp.2014.11.007
Higginson, D. P., Korneev, Ph, Béard, J., Chen, S. N., d'Humières, E., Pépin, H., Pikuz, S., Pollock, B., Riquier, R., Tikhonchuk, V., and Fuchs, J. 2014. "A novel platform to study magnetized high-velocity collisionless shocks". United States. https://doi.org/10.1016/j.hedp.2014.11.007. https://www.osti.gov/servlets/purl/1262175.
@article{osti_1262175,
title = {A novel platform to study magnetized high-velocity collisionless shocks},
author = {Higginson, D. P. and Korneev, Ph and Béard, J. and Chen, S. N. and d'Humières, E. and Pépin, H. and Pikuz, S. and Pollock, B. and Riquier, R. and Tikhonchuk, V. and Fuchs, J.},
abstractNote = {An experimental platform to study the interaction of two colliding high-velocity (0.01–0.2c; 0.05–20 MeV) proton plasmas in a high strength (20 T) magnetic field is introduced. This platform aims to study the collision of magnetized plasmas accelerated via the Target-Normal-Sheath-Acceleration mechanism and initially separated by distances of a few hundred microns. The plasmas are accelerated from solid targets positioned inside a few cubic millimeter cavity located within a Helmholtz coil that provides up to 20 T magnetic fields. Various parameters of the plasmas at their interaction location are estimated. These show an interaction that is highly non-collisional, and that becomes more and more dominated by the magnetic fields as time progresses (from 5 to 60 ps). Particle-in-cell simulations are used to reproduce the initial acceleration of the plasma both via simulations including the laser interaction and via simulations that start with preheated electrons (to save dramatically on computational expense). The benchmarking of such simulations with the experiment and with each other will be used to understand the physical interaction when a magnetic field is applied. In conclusion, the experimental density profile of the interacting plasmas is shown in the case without an applied magnetic magnetic field, so to show that without an applied field that the development of high-velocity shocks, as a result of particle-to-particle collisions, is not achievable in the configuration considered.},
doi = {10.1016/j.hedp.2014.11.007},
url = {https://www.osti.gov/biblio/1262175}, journal = {High Energy Density Physics},
issn = {1574-1818},
number = PA,
volume = 17,
place = {United States},
year = {Sat Dec 13 00:00:00 EST 2014},
month = {Sat Dec 13 00:00:00 EST 2014}
}

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Cited by: 13 works
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Works referenced in this record:

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Interpenetrating Plasma Shells: Near-Equipartition Magnetic Field Generation and Nonthermal Particle Acceleration
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Particle Acceleration in Relativistic Magnetized Collisionless Electron-Ion Shocks
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Collisionless plasma interpenetration in a strong magnetic field for laboratory astrophysics experiments
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Works referencing / citing this record:

Magnetized plasma implosion in a snail target driven by a moderate-intensity laser pulse
journal, December 2018


X-ray spectroscopy evidence for plasma shell formation in experiments modeling accretion columns in young stars
journal, November 2019


Magnetized plasma implosion in a snail target driven by a moderate-intensity laser pulse
journal, December 2018