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Title: Simulation of a strong steady-state plasma shock in a warm dense matter regime

Abstract

The structure of collisional plasma shocks has been subject to an extensive, multi-decadal investigation—in the hydrodynamic, hybrid kinetic ion/electron fluid, and fully kinetic ion/electron limits. Despite this thoroughness, all of these studies apply exclusively to classical, weakly coupled plasmas. Here, we report the first results for a planar hydrodynamic simulation of a strong, steady-state shock in a subspace of the warm dense matter (WDM) regime. Specifically, we consider a plasma of fully degenerate electrons with moderate-to-strongly coupled ions. Since the WDM ion and electron transport coefficients and equation of state differ markedly from their non-degenerate, weak-coupling equivalents, we find that the structure of a WDM plasma shock notably deviates from the ideal plasma picture.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  2. University of Texas at San Antonio, TX (United States)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Security
OSTI Identifier:
1957930
Alternate Identifier(s):
OSTI ID: 1909758
Report Number(s):
LA-UR-22-30463
Journal ID: ISSN 1070-664X; TRN: US2312658
Grant/Contract Number:  
89233218CNA000001; NA0003948; 20190005DR
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 30; Journal Issue: 1; 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

Keenan, Brett D., Smith, Chrismond D., Livescu, Daniel, Haack, Jeffrey, and Pavel, Robert S. Simulation of a strong steady-state plasma shock in a warm dense matter regime. United States: N. p., 2023. Web. doi:10.1063/5.0129941.
Keenan, Brett D., Smith, Chrismond D., Livescu, Daniel, Haack, Jeffrey, & Pavel, Robert S. Simulation of a strong steady-state plasma shock in a warm dense matter regime. United States. https://doi.org/10.1063/5.0129941
Keenan, Brett D., Smith, Chrismond D., Livescu, Daniel, Haack, Jeffrey, and Pavel, Robert S. Wed . "Simulation of a strong steady-state plasma shock in a warm dense matter regime". United States. https://doi.org/10.1063/5.0129941. https://www.osti.gov/servlets/purl/1957930.
@article{osti_1957930,
title = {Simulation of a strong steady-state plasma shock in a warm dense matter regime},
author = {Keenan, Brett D. and Smith, Chrismond D. and Livescu, Daniel and Haack, Jeffrey and Pavel, Robert S.},
abstractNote = {The structure of collisional plasma shocks has been subject to an extensive, multi-decadal investigation—in the hydrodynamic, hybrid kinetic ion/electron fluid, and fully kinetic ion/electron limits. Despite this thoroughness, all of these studies apply exclusively to classical, weakly coupled plasmas. Here, we report the first results for a planar hydrodynamic simulation of a strong, steady-state shock in a subspace of the warm dense matter (WDM) regime. Specifically, we consider a plasma of fully degenerate electrons with moderate-to-strongly coupled ions. Since the WDM ion and electron transport coefficients and equation of state differ markedly from their non-degenerate, weak-coupling equivalents, we find that the structure of a WDM plasma shock notably deviates from the ideal plasma picture.},
doi = {10.1063/5.0129941},
journal = {Physics of Plasmas},
number = 1,
volume = 30,
place = {United States},
year = {Wed Jan 18 00:00:00 EST 2023},
month = {Wed Jan 18 00:00:00 EST 2023}
}

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