Wang-Landau algorithm for continuous models and joint density of states

被引：126

作者：

Zhou, CG

Schulthess, TC

Torbrügge, S

Landau, DP

机构：

[1] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci & Comp Sci, Oak Ridge, TN 37831 USA

[2] Oak Ridge Natl Lab, Div Math, Oak Ridge, TN 37831 USA

[3] Univ Georgia, Ctr Simulat Phys, Athens, GA 30602 USA

[4] Univ Osnabruck, Fachbereich Phys, D-49076 Osnabruck, Germany

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.96.120201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a modified Wang-Landau algorithm for models with continuous degrees of freedom. We demonstrate this algorithm with the calculation of the joint density of states of ferromagnet Heisenberg models and a model polymer chain. The joint density of states contains more information than the density of states of a single variable-energy, but is also much more time consuming to calculate. We present strategies to significantly speed up this calculation for large systems over a large range of energy and order parameter.

引用

页数：4

共 23 条

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