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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
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: |
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| 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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