Influence of coupling on thermal forces and dynamic friction in plasmas with multiple ion species

Kagan, Grigory; Baalrud, Scott D.; Daligault, Jérôme

doi:10.1063/1.4986086

Title: Influence of coupling on thermal forces and dynamic friction in plasmas with multiple ion species

Journal Article · Wed Jul 05 00:00:00 EDT 2017 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4986086· OSTI ID:1411347

^[1]; Baalrud, Scott D. ^[2];

^[1]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Univ. of Iowa. Dept. of Physics and Astronomy

The recently proposed effective potential theory [Phys. Rev. Lett. 110, 235001 (2013)] is used to investigate the influence of coupling on inter-ion-species diffusion and momentum exchange in multi-component plasmas. Thermo-diffusion and the thermal force are found to diminish rapidly as strong coupling onsets. For the same coupling parameters, the dynamic friction coefficient is found to tend to unity. These results provide an impetus for addressing the role of coupling on diffusive processes in inertial confinement fusion experiments.

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Research Organization:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of Iowa, Iowa City, IA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

Grant/Contract Number:: AC52-06NA25396; SC0016159; 20150520ER

OSTI ID:: 1411347

Alternate ID(s):: OSTI ID: 1367933; OSTI ID: 1777882

Report Number(s):: LA-UR-16-26693; TRN: US1800220

Journal Information:: Physics of Plasmas, Vol. 24, Issue 7; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 8 works

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Multi-species plasma transport in 1D direct-drive ICF simulations Vold, E.; Rauenzahn, R.; Simakov, A. N. Physics of Plasmas, Vol. 26, Issue 3 https://doi.org/10.1063/1.5083157	journal	March 2019
Progress on observations of interspecies ion separation in inertial-confinement-fusion implosions via imaging x-ray spectroscopy Joshi, T. R.; Hsu, S. C.; Hakel, P. Physics of Plasmas, Vol. 26, Issue 6 https://doi.org/10.1063/1.5092998	journal	June 2019
Plasma kinetic effects on interfacial mix and burn rates in multispatial dimensions Yin, L.; Albright, B. J.; Vold, E. L. Physics of Plasmas, Vol. 26, Issue 6 https://doi.org/10.1063/1.5109257	journal	June 2019
Kinetic physics in ICF: present understanding and future directions Rinderknecht, Hans G.; Amendt, P. A.; Wilks, S. C. Plasma Physics and Controlled Fusion, Vol. 60, Issue 6 https://doi.org/10.1088/1361-6587/aab79f	journal	April 2018

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Title: Influence of coupling on thermal forces and dynamic friction in plasmas with multiple ion species

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