Wang-Landau algorithm for continuous models and joint density of states
Autor(en): | Zhou, CG Schulthess, TC Torbrugge, S Landau, DP |
Stichwörter: | Physics; Physics, Multidisciplinary; PROTEINS; RANDOM-WALK; SIMULATION | Erscheinungsdatum: | 2006 | Herausgeber: | AMER PHYSICAL SOC | Journal: | PHYSICAL REVIEW LETTERS | Volumen: | 96 | Ausgabe: | 12 | Zusammenfassung: | 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. |
ISSN: | 00319007 | DOI: | 10.1103/PhysRevLett.96.120201 |
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geprüft am 18.05.2024