Kiel 2011 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
P: Fachverband Plasmaphysik
P 18: Poster: Theorie/Simulation dichter und stark gekoppelter Plasmen
P 18.11: Poster
Mittwoch, 30. März 2011, 16:30–18:30, Foyer
Theoretical description of spherically confined strongly correlated Yukawa plasmas — Henning Bruhn1, •Michael Bonitz1, Jeff Wrighton2, and James W. Dufty2 — 1Institut für Theoretische Physik und Astrophysik, Christian-Albrechts-Universität zu Kiel — 2Department of Physics, University of Florida, Gainsville, Florida 32611, USA
A theoretical description for the radial density profile of strongly correlated identical charged particles confined in a harmonic trap is developed. A wide range of particle numbers and Coulomb coupling in the entire fluid phase is analyzed. The simple mean-field approximation is not capable to supply the shell structure observed in computer simulations and experiments due to the neglect of all correlations. The hypernetted chain approximation for the bulk fluid is used to extend the theory for confined charges. To achieve quantitative accuracy by comparison with Monte Carlo results a representation for the associated bridge function is found while restoring the form of the hypernetted chain equations.