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Berlin 2012 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 15: Statistical Physics far from equilibrium

DY 15.2: Talk

Wednesday, March 28, 2012, 10:00–10:15, MA 004

Spin Glass to Ferromagnet: Ageing Simulations on GPUs — •Markus Manssen1, Martin Weigel2, and Alexander K. Hartmann11Institut für Physik, Carl von Ossietzky Universität Oldenburg, Germany — 2Applied Mathematics Research Centre, Coventry University, England

The dynamics of spin glasses, frustrated magnetic systems, have been extensively studied [1] with computer simulations [2]. We broaden our view to the phase transition to the ferromagnet with the aid of Graphics Processing Units (GPUs) for long time simulations [3]. We focus on the three-dimensional binary Edwards-Anderson model and examine spatial and temporal correlations trying to explain them in terms of a growing dynamical correlation length.

[1] Naoki Kawashima and Heiko Rieger. Recent Progress in Spin Glasses. In Hung T. Diep, editor, Frustrated Spin Systems, pages 491–596. World Scientifc, 2004.

[2] Alexander K. Hartmann, Practical Guide to Computer Simulations, World Scientific, 2009

[3] Martin Weigel. Simulating spin models on GPU. Computer Physics Communications, 182(9): 1833–1836, 2010.

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