Multibondic Cluster Algorithm for Monte Carlo Simulations of First-Order Phase Transitions

Details Multibondic Cluster Algorithm for Monte Carlo Simulations of First-Order Phase Transitions Multibondic Cluster Algorithm for Monte Carlo Simulations of First-Order Phase Transitions

1994-07-13

arxiv.org/abs/hep-lat/9407006v1

Phys.Rev.Lett. 74 (1995) 212-215

Physics

High Energy Physics

High Energy Physics - Lattice

13 pages, LaTeX + 4 postscript files as uuencoded compressed tar file, Mainz preprint

Scientific paper

10.1103/PhysRevLett.74.212

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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