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Berlin 2014 – scientific programme

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P: Fachverband Plasmaphysik

P 14: Poster Session - Theory and Modelling

P 14.12: Poster

Tuesday, March 18, 2014, 16:30–18:30, SPA Foyer

Kinetic Monte Carlo Simulations of Cluster Growth in a Plasma — •Kenji Fujioka, Sebastian Wolf, and Michael Bonitz — ITAP University of Kiel, Germany

Cluster growth in low-temperature plasmas is of increasing impor- tance as modern technologies utilize these systems in the fabrication of unique and novel materials. In order to model the complex interplay of the physical processes involved, kinetic Monte Carlo (kMC) simula- tions are efficient and well suited [1]. Here we present an improvement to the standard *first reaction* method of kMC that is based on simu- lations of astrophysical polarization maps [2]. This algorithm limits the total number of calls for random number generation while allowing for fluctuating rates and arbitrarily distributed processes. We show some test cases of the algorithm itself, but focus on simulation results for cluster size and velocity distributions and compare them with recent experiments [3]. [1] M. Bonitz et al, Contrib. Plasma Phys. 52, No. 10, 804 (2012). [2] O. Fischer et al, Astron. Astrophys., 284, 187 (1994). [3] M. Ganeva et al, Plasma Sources Sci. Technol. 22, 045011 (2013).

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