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Title: Theory of the electron-ion temperature relaxation rate spanning the hot solid metals and plasma phases

Abstract

We present a theory for the rate of energy exchange between electrons and ions—also known as the electron-ion coupling factor—in physical systems ranging from hot solid metals to plasmas, including liquid metals and warm dense matter. The paper provides the theoretical foundations of a recent work, where first-principles quantum molecular dynamics calculations based on this theory were presented for representative materials and conditions. We first derive a general expression for the electron-ion coupling factor that includes self-consistently the quantum mechanical and statistical nature of electrons, the thermal and disorder effects, and the correlations between particles. Here, the electron-ion coupling is related to the friction coefficients felt by individual ions due to their nonadiabatic interactions with the electrons.

Authors:
ORCiD logo [1]; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (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
OSTI Identifier:
1573340
Report Number(s):
LA-UR-19-24626
Journal ID: ISSN 2470-0045; PLEEE8; TRN: US2100158
Grant/Contract Number:  
89233218CNA000001
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review E
Additional Journal Information:
Journal Volume: 100; Journal Issue: 4; Journal ID: ISSN 2470-0045
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Daligault, Jérôme Olivier, and Simoni, Jacopo. Theory of the electron-ion temperature relaxation rate spanning the hot solid metals and plasma phases. United States: N. p., 2019. Web. doi:10.1103/PhysRevE.100.043201.
Daligault, Jérôme Olivier, & Simoni, Jacopo. Theory of the electron-ion temperature relaxation rate spanning the hot solid metals and plasma phases. United States. https://doi.org/10.1103/PhysRevE.100.043201
Daligault, Jérôme Olivier, and Simoni, Jacopo. Wed . "Theory of the electron-ion temperature relaxation rate spanning the hot solid metals and plasma phases". United States. https://doi.org/10.1103/PhysRevE.100.043201. https://www.osti.gov/servlets/purl/1573340.
@article{osti_1573340,
title = {Theory of the electron-ion temperature relaxation rate spanning the hot solid metals and plasma phases},
author = {Daligault, Jérôme Olivier and Simoni, Jacopo},
abstractNote = {We present a theory for the rate of energy exchange between electrons and ions—also known as the electron-ion coupling factor—in physical systems ranging from hot solid metals to plasmas, including liquid metals and warm dense matter. The paper provides the theoretical foundations of a recent work, where first-principles quantum molecular dynamics calculations based on this theory were presented for representative materials and conditions. We first derive a general expression for the electron-ion coupling factor that includes self-consistently the quantum mechanical and statistical nature of electrons, the thermal and disorder effects, and the correlations between particles. Here, the electron-ion coupling is related to the friction coefficients felt by individual ions due to their nonadiabatic interactions with the electrons.},
doi = {10.1103/PhysRevE.100.043201},
journal = {Physical Review E},
number = 4,
volume = 100,
place = {United States},
year = {Wed Oct 09 00:00:00 EDT 2019},
month = {Wed Oct 09 00:00:00 EDT 2019}
}

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Free Publicly Available Full Text
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Cited by: 14 works
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