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Title: Density response from kinetic theory and time-dependent density-functional theory for matter under extreme conditions

Abstract

The density linear response function for an inhomogeneous system of electrons in equilibrium with an array of fixed ions is considered. Two routes to its evaluation for extreme conditions (e.g., warm dense matter) are considered. The first is from a recently developed short-time kinetic equation; the second is from time-dependent density functional theory. The result from the latter approach agrees with that from kinetic theory in the “adiabatic approximation,” providing support and contextual clarity for each. Both provide a connection to the phenomenological Kubo-Greenwood method for calculating transport properties.

Authors:
 [1];  [2];  [2]
  1. Univ. of Florida, Gainesville, FL (United States). Dept. of Physics
  2. Univ. of Florida, Gainesville, FL (United States). Quantum Theory Project. Dept. of Physics. Dept. of Chemistry
Publication Date:
Research Org.:
Univ. of Florida, Gainesville, FL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1541218
Alternate Identifier(s):
OSTI ID: 1469038
Grant/Contract Number:  
SC0002139; SC 0002139
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review E
Additional Journal Information:
Journal Volume: 98; Journal Issue: 3; Journal ID: ISSN 2470-0045
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING

Citation Formats

Dufty, James, Luo, Kai, and Trickey, S. B. Density response from kinetic theory and time-dependent density-functional theory for matter under extreme conditions. United States: N. p., 2018. Web. doi:10.1103/physreve.98.033203.
Dufty, James, Luo, Kai, & Trickey, S. B. Density response from kinetic theory and time-dependent density-functional theory for matter under extreme conditions. United States. https://doi.org/10.1103/physreve.98.033203
Dufty, James, Luo, Kai, and Trickey, S. B. Fri . "Density response from kinetic theory and time-dependent density-functional theory for matter under extreme conditions". United States. https://doi.org/10.1103/physreve.98.033203. https://www.osti.gov/servlets/purl/1541218.
@article{osti_1541218,
title = {Density response from kinetic theory and time-dependent density-functional theory for matter under extreme conditions},
author = {Dufty, James and Luo, Kai and Trickey, S. B.},
abstractNote = {The density linear response function for an inhomogeneous system of electrons in equilibrium with an array of fixed ions is considered. Two routes to its evaluation for extreme conditions (e.g., warm dense matter) are considered. The first is from a recently developed short-time kinetic equation; the second is from time-dependent density functional theory. The result from the latter approach agrees with that from kinetic theory in the “adiabatic approximation,” providing support and contextual clarity for each. Both provide a connection to the phenomenological Kubo-Greenwood method for calculating transport properties.},
doi = {10.1103/physreve.98.033203},
journal = {Physical Review E},
number = 3,
volume = 98,
place = {United States},
year = {Fri Sep 07 00:00:00 EDT 2018},
month = {Fri Sep 07 00:00:00 EDT 2018}
}

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