New definition and simulation of critical clusters of Ising spins
- 22 February 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 60 (8) , 669-672
- https://doi.org/10.1103/physrevlett.60.669
Abstract
Critical correlation in thermal systems, Ising spins for example, is approximately described by clusters. A cluster is defined as a randomly picked, connected region of excess up (or down) spins. Its simulation utilizes a branching-out stochastic chain which allots spins continuously, either to the cluster or to a perimeter of average composition. Results in dimensionality from 2 to 10 show the cluster geometry to be very different than in (athermal) percolation.Keywords
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