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Dynamic critical behavio(u)r of a cluster algorithm for the Ashkin-Teller model

Salas, J; Sokal, AD; (1996) Dynamic critical behavio(u)r of a cluster algorithm for the Ashkin-Teller model. In: NUCLEAR PHYSICS B. (pp. 792 - 795). ELSEVIER SCIENCE BV

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Abstract

We study the dynamic critical behavior of a Swendsen-Wang-type algorithm for the Ashkin-Teller model. We find that the Li-Sokal bound on the autocorrelation time (tau(int),epsilon greater than or equal to const x C-H) holds along the self-dual curve of the symmetric Ashkin-Teller model, but this bound is apparently not sharp. The ratio tau(int),epsilon/C-H appears to tend to infinity either as a logarithm or as a small power (0.05 less than or similar to p 5 less than or similar to 0.12).

Type:Proceedings paper
Title:Dynamic critical behavio(u)r of a cluster algorithm for the Ashkin-Teller model
Event:Annual International Symposium on Lattice Field Theory
Location:MELBOURNE, AUSTRALIA
Dates:1995-07-11 - 1995-07-15
Keywords:MULTICRITICAL POINT
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Mathematics

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