Multibondic Cluster Algorithm

Details Multibondic Cluster Algorithm Multibondic Cluster Algorithm

1994-11-29

arxiv.org/abs/hep-lat/9411077v1

Nucl.Phys.Proc.Suppl.42:876-878,1995

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, uuencoded compressed postscript file, contribution to the LATTICE'94 conference

Scientific paper

10.1016/0920-5632(95)00408-2

Inspired by the multicanonical approach to simulations of first-order phase transitions we propose for $q$-state Potts models a combination of cluster updates with reweighting of the bond configurations in the Fortuin-Kastelein-Swendsen-Wang representation of this model. Numerical tests for the two-dimensional models with $q=7, 10$ and $20$ show that the autocorrelation times of this algorithm grow with the system size $V$ as $\tau \propto V^\alpha$, where the exponent takes the optimal random walk value of $\alpha \approx 1$.

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