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Simple collision operators for direct Vlasov simulations of laser plasma interaction and transport
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Arber, T. D. and Sircombe, Nathan John (2010) Simple collision operators for direct Vlasov simulations of laser plasma interaction and transport. In: 6th International Conference on Inertial Fusion Sciences and Applications, San Francisco, CA, 06-11 Sep 2009. Published in: Journal of Physics: Conference Series, Vol.244 (No.2). article no.022017. doi:10.1088/1742-6596/244/2/022017 ISSN 1742-6596.
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Official URL: http://dx.doi.org/10.1088/1742-6596/244/2/022017
Abstract
Non-local electron transport effects have a direct influence on the compression of cryogenic targets in laser driven ICF and target heating in high energy density experiments. There is a growing need for self-consistent models of laser plasma interactions coupled to nonlocal transport. We present a direct Vlasov solver that includes multiple species and a simple collision operator. This BGK model operator - which conserves particle density, energy and momentum - is fully implicit. For collisionless plasmas it has been shown that a double layer may be formed in which an accelerated, kinetic ion population satisfies the zero current condition. Here we extend this result to collisionalities of interest to laser driven ignition to assess the validity of nonlocal electron transport models based on fluid ions.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics Faculty of Science, Engineering and Medicine > Science > Centre for Scientific Computing |
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Library of Congress Subject Headings (LCSH): | Collisions (Nuclear physics), Collision integrals, Laser-plasma interactions, Plasma (Ionized gases), Transport theory | ||||
Journal or Publication Title: | Journal of Physics: Conference Series | ||||
Publisher: | Institute of Physics Publishing Ltd. | ||||
ISSN: | 1742-6596 | ||||
Official Date: | 2010 | ||||
Dates: |
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Volume: | Vol.244 | ||||
Number: | No.2 | ||||
Page Range: | article no.022017 | ||||
DOI: | 10.1088/1742-6596/244/2/022017 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 6th International Conference on Inertial Fusion Sciences and Applications | ||||
Type of Event: | Conference | ||||
Location of Event: | San Francisco, CA | ||||
Date(s) of Event: | 06-11 Sep 2009 |
Data sourced from Thomson Reuters' Web of Knowledge
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