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Title: Transport regimes spanning magnetization-coupling phase space

Abstract

The manner in which transport properties vary over the entire parameter-space of coupling and magnetization strength is explored in this paper. Four regimes are identified based on the relative size of the gyroradius compared to other fundamental length scales: the collision mean free path, Debye length, distance of closest approach, and interparticle spacing. Molecular dynamics simulations of self-diffusion and temperature anisotropy relaxation spanning the parameter space are found to agree well with the predicted boundaries. Finally, comparison with existing theories reveals regimes where they succeed, where they fail, and where no theory has yet been developed.

Authors:
 [1];  [2]
  1. Univ. of Iowa, Iowa City, IA (United States). Dept. of Physics and Astronomy
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of Iowa, Iowa City, IA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24); LANL Laboratory Directed Research and Development (LDRD) Program; US Air Force Office of Scientific Research (AFOSR)
OSTI Identifier:
1415408
Alternate Identifier(s):
OSTI ID: 1398298
Report Number(s):
LA-UR-17-25086
Journal ID: ISSN 2470-0045; TRN: US1800806
Grant/Contract Number:  
AC52-06NA25396; SC0016159; FA9550-16-1-0221
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review E
Additional Journal Information:
Journal Volume: 96; 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; magnetoinertial fusion; plasma transport; plasma physics

Citation Formats

Baalrud, Scott D., and Daligault, Jérôme. Transport regimes spanning magnetization-coupling phase space. United States: N. p., 2017. Web. doi:10.1103/PhysRevE.96.043202.
Baalrud, Scott D., & Daligault, Jérôme. Transport regimes spanning magnetization-coupling phase space. United States. doi:10.1103/PhysRevE.96.043202.
Baalrud, Scott D., and Daligault, Jérôme. Fri . "Transport regimes spanning magnetization-coupling phase space". United States. doi:10.1103/PhysRevE.96.043202. https://www.osti.gov/servlets/purl/1415408.
@article{osti_1415408,
title = {Transport regimes spanning magnetization-coupling phase space},
author = {Baalrud, Scott D. and Daligault, Jérôme},
abstractNote = {The manner in which transport properties vary over the entire parameter-space of coupling and magnetization strength is explored in this paper. Four regimes are identified based on the relative size of the gyroradius compared to other fundamental length scales: the collision mean free path, Debye length, distance of closest approach, and interparticle spacing. Molecular dynamics simulations of self-diffusion and temperature anisotropy relaxation spanning the parameter space are found to agree well with the predicted boundaries. Finally, comparison with existing theories reveals regimes where they succeed, where they fail, and where no theory has yet been developed.},
doi = {10.1103/PhysRevE.96.043202},
journal = {Physical Review E},
number = 4,
volume = 96,
place = {United States},
year = {2017},
month = {10}
}

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