Regensburg 2004 – wissenschaftliches Programm

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DY: Dynamik und Statistische Physik

DY 46: Poster

DY 46.48: Poster

Donnerstag, 11. März 2004, 16:00–18:00, Poster D

Monte-Carlo Simulations of Structural and Elastic Properties in a two dimensional Model Colloidal Crystal — •Kerstin Franzrahe and Peter Nielaba — Lehrstuhl für Theoretische Physik, Fachbereich Physik, Universität Konstanz, D-78457 Konstanz

With the help of Monte-Carlo Simulations the elastic and structural properties of a two dimensional hard disk system are studied. Simulations in the NPT ensemble are done in order to analyse lattice formation in binary mixtures, while simulations in the NVT ensemble enable us to calculate the elastic constants of the system from microscopic strain fluctuations [1]. This method was used to study the influence of impurities on the elastic properties of a two dimensional hard disk system.

[1] S. Sengupta, P. Nielaba, M. Rao, K. Binder Phys. Rev. E 61,1072 (1999)