ON THE WANG–LANDAU METHOD USING THEN-FOLD WAY

A. Malakis (), S. S. Martinos, I. A. Hadjiagapiou and A. S. Peratzakis
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A. Malakis: Department of Physics, Section of Solid State Physics, University of Athens, Panepistimiopolis, GR 15784 Zografos, Athens, Greece
S. S. Martinos: Department of Physics, Section of Solid State Physics, University of Athens, Panepistimiopolis, GR 15784 Zografos, Athens, Greece
I. A. Hadjiagapiou: Department of Physics, Section of Solid State Physics, University of Athens, Panepistimiopolis, GR 15784 Zografos, Athens, Greece
A. S. Peratzakis: Department of Physics, Section of Solid State Physics, University of Athens, Panepistimiopolis, GR 15784 Zografos, Athens, Greece

International Journal of Modern Physics C (IJMPC), 2004, vol. 15, issue 05, 729-740

Abstract: We present a variation of theN-fold way algorithm, which improves efficiency when one combines the Wang–Landau method with theN-fold way. It is shown that the new version of theN-fold way algorithm has good performance when used for importance sampling and compared with the usualN-fold version or the Metropolis algorithm. The newN-fold algorithm combined with the Wang–Landau method is applied to the square Ising model using a multi-range approach. A comparative study is presented for all these algorithms, Wang–Landau and the two combined versions with theN-fold way. The role of boundary effects is discussed.

Keywords: Wang–Landau sampling; importance sampling; N-fold way; Ising model (search for similar items in EconPapers)
Date: 2004
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DOI: 10.1142/S0129183104006182

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