Bibliographic Details
| Title: |
A Monte Carlo Sampling Scheme for the Ising Model. |
| Authors: |
Häggkvist, Roland1 Roland.Haggkvist@math.umu.se, Rosengren, Anders2 ar@theophys.kth.se, Andrén, Daniel1 Daniel.Andren@math.umu.se, Kundrotas, Petras2 Petras.Kundrotas@csb.ki.se, Lundow, Per Håkan2 phl@kth.se, Markström, Klas1 Klas.Markstrom@math.umu.se |
| Superior Title: |
Journal of Statistical Physics. Jan2004, Vol. 114 Issue 1/2, p455-480. 26p. |
| Subject Terms: |
*ISING model, *STATISTICAL sampling, *MONTE Carlo method, *FERROMAGNETISM, *PHASE transitions, *STOCHASTIC processes, *MATHEMATICAL models |
| Abstract: |
In this paper we describe a Monte Carlo sampling scheme for the Ising model and similar discrete-state models. The scheme does not involve any particular method of state generation but rather focuses on a new way of measuring and using the Monte Carlo data. We show how to reconstruct the entropy S of the model, from which, e.g., the free energy can be obtained. Furthermore we discuss how this scheme allows us to more or less completely remove the effects of critical fluctuations near the critical temperature and likewise how it reduces critical slowing down. This makes it possible to use simple state generation methods like the Metropolis algorithm also for large lattices. [ABSTRACT FROM AUTHOR] |
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| Database: |
Academic Search Premier |