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Dresden 2009 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 20: Focus: Magnetic Soft Matter II

CPP 20.3: Talk

Wednesday, March 25, 2009, 10:15–10:30, ZEU 222

Ground state structures in ferrofluid monolayers: Theory and Simulations. — •Sofia Kantorovich1,2, Victor Danilov1, Taisia Prokopyeva1, and Christian Holm21Ural State University, Ekaterinburg, Russia — 2University of Stuttgart, Stuttgart, Germany

The investigation of the microstructure of ferrofluid monolayers at low temperatures was extended to bidisperse model systems. Previously we have shown that a single ideal ring is the most probable ground state structure for a monodisperse ferrofluid monolayer. Starting with system containing large particles we introduce small particles as defects, and analyze the resulting structures, using a combination of analytical methods and Monte Carlo simulations. The crucial influence of the interaction between particles from different fractions (namely, large and small ones) is demonstrated.

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