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Title: First-principles equation of state database for warm dense matter computation

Abstract

We put together a first-principles equation of state (FPEOS) database for matter at extreme conditions by combining results from path integral Monte Carlo and density functional molecular dynamics simulations of the elements H, He, B, C, N, O, Ne, Na, Mg, Al, and Si as well as the compounds LiF , B 4 C , BN, CH 4 , CH 2 , C 2 H 3 , CH, C 2 H , MgO, and MgSiO 3 . For all these materials, we provide the pressure and internal energy over a density-temperature range from ~0.5 to 50 g cm - 3 and from ~ 104 to 109 K, which are based on ~5000 different first-principles simulations. We compute isobars, adiabats, and shock Hugoniot curves in the regime of L - and K -shell ionization. Invoking the linear mixing approximation, we study the properties of mixtures at high density and temperature. Furthermore, we derive the Hugoniot curves for water and alumina as well as for carbon-oxygen, helium-neon, and CH-silicon mixtures. We predict the maximal shock compression ratios of H 2 O , H 2 O 2 , Al 2 O 3 , CO, and CO 2 to be 4.61, 4.64, 4.64, 4.89, and 4.83, respectively. Finally we use the FPEOS database to determine the points of maximum shock compression for all available binary mixtures. We identify mixtures that reach higher shock compression ratios than their end members. We discuss trends common to all mixtures in pressure-temperature and particle-shock velocity spaces. In the Supplemental Material, we provide all FPEOS tables as well as computer codes for interpolation, Hugoniot calculations, and plots of various thermodynamic functions.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2];  [3];  [4]
  1. Univ. of California, Berkeley, CA (United States)
  2. Univ. of California, Berkeley, CA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of Rochester, NY (United States). Lab. for Laser Energetics
  3. Univ. of California, Berkeley, CA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  4. Univ. of California, Berkeley, CA (United States); CEA, DAM-DIF, Arpajon (France)
Publication Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Univ. of California, San Diego, La Jolla, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF)
OSTI Identifier:
1765296
Alternate Identifier(s):
OSTI ID: 1784761
Report Number(s):
LLNL-JRNL-815086
Journal ID: ISSN 2470-0045; 1023864; TRN: US2206234
Grant/Contract Number:  
AC52-07NA27344; SC0016248; NA0003842; ACI-1640776
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. E
Additional Journal Information:
Journal Volume: 103; Journal Issue: 1; Journal ID: ISSN 2470-0045
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Equations of state; high-energy-density plasmas; plasma production & heating by shock waves & compression; first-principles calculations; first-principles calculations in plasma physics; path-integral Monte Carlo

Citation Formats

Militzer, Burkhard, González-Cataldo, Felipe, Zhang, Shuai, Driver, Kevin P., and Soubiran, François. First-principles equation of state database for warm dense matter computation. United States: N. p., 2021. Web. doi:10.1103/physreve.103.013203.
Militzer, Burkhard, González-Cataldo, Felipe, Zhang, Shuai, Driver, Kevin P., & Soubiran, François. First-principles equation of state database for warm dense matter computation. United States. https://doi.org/10.1103/physreve.103.013203
Militzer, Burkhard, González-Cataldo, Felipe, Zhang, Shuai, Driver, Kevin P., and Soubiran, François. Thu . "First-principles equation of state database for warm dense matter computation". United States. https://doi.org/10.1103/physreve.103.013203. https://www.osti.gov/servlets/purl/1765296.
@article{osti_1765296,
title = {First-principles equation of state database for warm dense matter computation},
author = {Militzer, Burkhard and González-Cataldo, Felipe and Zhang, Shuai and Driver, Kevin P. and Soubiran, François},
abstractNote = {We put together a first-principles equation of state (FPEOS) database for matter at extreme conditions by combining results from path integral Monte Carlo and density functional molecular dynamics simulations of the elements H, He, B, C, N, O, Ne, Na, Mg, Al, and Si as well as the compounds LiF, B4C, BN, CH4, CH2, C2H3, CH, C2H, MgO, and MgSiO3. For all these materials, we provide the pressure and internal energy over a density-temperature range from ~0.5 to 50 g cm-3 and from ~104 to 109 K, which are based on ~5000 different first-principles simulations. We compute isobars, adiabats, and shock Hugoniot curves in the regime of L- and K-shell ionization. Invoking the linear mixing approximation, we study the properties of mixtures at high density and temperature. Furthermore, we derive the Hugoniot curves for water and alumina as well as for carbon-oxygen, helium-neon, and CH-silicon mixtures. We predict the maximal shock compression ratios of H2O, H2O2, Al2O3, CO, and CO2 to be 4.61, 4.64, 4.64, 4.89, and 4.83, respectively. Finally we use the FPEOS database to determine the points of maximum shock compression for all available binary mixtures. We identify mixtures that reach higher shock compression ratios than their end members. We discuss trends common to all mixtures in pressure-temperature and particle-shock velocity spaces. In the Supplemental Material, we provide all FPEOS tables as well as computer codes for interpolation, Hugoniot calculations, and plots of various thermodynamic functions.},
doi = {10.1103/physreve.103.013203},
journal = {Physical Review. E},
number = 1,
volume = 103,
place = {United States},
year = {Thu Jan 07 00:00:00 EST 2021},
month = {Thu Jan 07 00:00:00 EST 2021}
}

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