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Energy relaxation in dense, strongly coupled two-temperature plasmas

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Vorberger, Jan, Gericke, Dirk O., Bornath, T. (Thomas) and Schlanges, M. (2010) Energy relaxation in dense, strongly coupled two-temperature plasmas. Physical Review E, Vol.81 (No.4 Part 2). article no. 046404. doi:10.1103/PhysRevE.81.046404

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Official URL: http://dx.doi.org/10.1103/PhysRevE.81.046404

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Abstract

A quantum kinetic approach for the energy relaxation in strongly coupled plasmas with different electron and ion temperatures is presented. Based on the density operator formalism, we derive a balance equation for the energies of electrons and ions connecting kinetic, correlation, and exchange energies with a quite general expression for the electron-ion energy-transfer rate. The latter is given in terms of the correlation function of density fluctuations which allows for a derivation of increasingly realistic approximation schemes including a coupled-mode expression. The equilibration of the contributions of the total energy including the species temperatures in dense hydrogen and beryllium relevant for inertial confinement fusion is investigated as an example.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Electron-ion collisions, Equations of state, Semiconductors, Hydrogen, Plasma (Ionized gases)
Journal or Publication Title: Physical Review E
Publisher: American Physical Society
ISSN: 1539-3755
Official Date: April 2010
Dates:
DateEvent
April 2010Published
Volume: Vol.81
Number: No.4 Part 2
Number of Pages: 12
Page Range: article no. 046404
DOI: 10.1103/PhysRevE.81.046404
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: Engineering and Physical Sciences Research Council (EPSRC), Deutsche Forschungsgemeinschaft (DFG)
Grant number: EP/D062837 (EPSRC), SFB 652 (DFG)

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