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Phys. Rev. E 77, 050101(R) (2008) [4 pages]

Equilibriumlike extension of the invaded cluster algorithm

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I. Balog* and K. Uzelac
Institute of Physics, P.O. Box 304, Bijenička cesta 46, HR-10001 Zagreb, Croatia

Received 18 February 2008; published 6 May 2008

We propose an extension of the nonequilibrium invaded cluster (IC) algorithm, which reestablishes a correct scaling of fluctuations at criticality and also self-adjusts to the critical temperature. We show that by introducing a single constraint to the intrinsic quantity of the IC algorithm the temperature becomes well defined and the sampling of the equilibrium ensemble is regained. The procedure is applied to the Potts model in two and three dimensions.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.77.050101
DOI:
10.1103/PhysRevE.77.050101
PACS:
05.50.+q, 64.60.F−, 75.10.Hk, 02.70.−c

*balog@ifs.hr

katarina@ifs.hr