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Kiel 2011 – scientific programme

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P: Fachverband Plasmaphysik

P 18: Poster: Theorie/Simulation dichter und stark gekoppelter Plasmen

P 18.21: Poster

Wednesday, March 30, 2011, 16:30–18:30, Foyer

Configuration path integral Monte Carlo simulation of correlated fermions — •Tim Schoof1, Alexej Filinov1, Michael Bonitz1, and James W. Dufty21Institut für Theoretische Physik und Astrophysik, Leibnitzstraße 15, 24098 Kiel — 2Physics Department, University of Florida, Gainesville

We develop a new path integral Monte Carlo approach which is formulated in occupation number representation. The method is applied to strongly correlated fermions in a trap [1]. Formally exact results are obtained by a transition from discrete to continuous imaginary time representation [2]. The efficiency of the method (fermion sign problem) is investigated for a broad range of temperatures, coupling parameters and particle numbers and compared to standard path integral Monte Carlo methods.

[1] T. Schoof, A. Filinov, M. Bonitz and J.W. Dufty to be published

[2] N. V. Prokof'ev, B. V. Svistunov, and I. S. Tupitsyn, JETP Lett. 64, 911 (1996)

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