Stuttgart 2012 – wissenschaftliches Programm
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P: Fachverband Plasmaphysik
P 3: Correlation dynamics in plasmas and clusters II
P 3.6: Vortrag
Montag, 12. März 2012, 16:00–16:15, V57.01
Multiscale Approach to Strongly Correlated Two-component Quantum Plasmas in Nonequilibrium — •Michael Bonitz1, Patrick Ludwig1, and James W. Dufty2 — 1Universität Kiel — 2University of Florida
A key problem in the description of nonideal, multi-component plasmas
is the drastic difference in the r,t-scales which prohibits
first-principle simulations, in particular in nonequilibrium. We,
therefore, develop a multiscale approach for dense quantum plasmas such as
partially
ionized Warm Dense Matter, where a full dynamic treatment of the pair
correlations of the heavy particles is crucial. To this end the ions are
treated exactly by classical Langevin Dynamcis simulations, whereas the
electrons are treated fully quantum-mechanically on the basis of a quantum
kinetic equation. The coupling of the two is performed in linear response
and fully includes the dynamical screening of the ion-ion interaction
on the basis of a nonequilibrium extension of the Mermin formula
extending our recent results [1,2].
[1] P. Ludwig, M. Bonitz, H. Kählert, and J.W. Dufty, J.
Phys. Conf. Series 220, 012003 (2010)
[2] P. Ludwig, H. Kählert, and M. Bonitz, submitted for publication
in Plasma Physics and Controlled Fusion (2011)