Monte Carlo Algorithms for the Fully Frustrated XY Model

S. Große Pawig and K. Pinn
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S. Große Pawig: Institut für Theoretische Physik I, Universität Münster, Wilhelm–Klemm–Str. 9, D–48149 Münster, Germany
K. Pinn: Institut für Theoretische Physik I, Universität Münster, Wilhelm–Klemm–Str. 9, D–48149 Münster, Germany

International Journal of Modern Physics C (IJMPC), 1998, vol. 09, issue 05, 727-736

Abstract: We investigate local update algorithms for the fully frustrated XY model on a square lattice. In addition to the standard updating procedures like the Metropolis or heat bath algorithm we include overrelaxation sweeps, implemented through single spin updates that preserve the energy of the configuration. The dynamical critical exponent (of order two) stays more or less unchanged. However, the integrated autocorrelation times of the algorithm can be significantly reduced.

Keywords: Monte Carlo Algorithms; Overrelaxation; Frustrated Spin Models; XY-Model (search for similar items in EconPapers)
Date: 1998
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DOI: 10.1142/S0129183198000637

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