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

Jesús Salas, Alan D. Sokal

    Research output: Contribution to journalArticlepeer-review

    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 (τint,ε ≥ const × CH) holds along the self-dual curve of the symmetric Ashkin-Teller model, but this bound is apparently not sharp. The ratio τint,ε/CH appears to tend to infinity either as a logarithm or as a small power (0.05 ≲ p ≲ 0.12).

    Original languageEnglish (US)
    Pages (from-to)792-795
    Number of pages4
    JournalNuclear Physics B - Proceedings Supplements
    Volume47
    Issue number1-3
    DOIs
    StatePublished - Mar 1996

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • Nuclear and High Energy Physics

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