Greifswald 2009 – wissenschaftliches Programm
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P: Fachverband Plasmaphysik
P 18: Poster: Theorie/Modellierung
P 18.24: Poster
Mittwoch, 1. April 2009, 17:30–19:30, Foyer des IfP
Density profile of confined charged particles — Jeffry Wrighton1, James Dufty1, Christian Henning2, •Michael Bonitz2, and Hanno Kählert2 — 1Department of Physics, University of Florida, Gainesville, FL 32611 — 2Institut für Theoretische Physik und Astrophysik, Christian-Albrechts Universiät zu Kiel, 24098 Kiel
The density profile of a finite number of identical classical charged particles confined in a trapping potential is computed analytically and numerically. The results bridge the gap between the temperature limit given by the Boltzmann factor and the ground state result [1,2] given by a step profile. Preliminary results in mean-field approximation [3] are discussed further, and then extended to include strong correlations in the framework of the hypernetted chain approximation.
[1] C. Henning, H. Baumgartner, A. Piel, P. Ludwig, V. Golubnychiy, M. Bonitz, and D. Block, Phys. Rev. E 74, 056403 (2006)
[2] C. Henning, P. Ludwig, A. Filinov, A. Piel, and M. Bonitz, Phys. Rev. E 76, 036404 (2007)
[3] J. Wrighton, J.W. Dufty, C. Henning, and M. Bonitz, J. Phys. A (in press); arXiv:0809.3071.