Nonexponential relaxation of Ising models within the droplet picture

R. Németh

Physica A: Statistical Mechanics and its Applications, 1990, vol. 169, issue 3, 444-456

Abstract: We develop a unified droplet description for the low temperature phase of various Ising systems in order to explain their slow relaxation phenomena. For the equilibrium autocorrelation function we find log c(t)∼-tn behaviour where n depends only on the type of randomness and on the dimension (0 < n < 1). This decay function holds even in the so-called Griffiths phase for intermediate times.

Date: 1990
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:169:y:1990:i:3:p:444-456

DOI: 10.1016/0378-4371(90)90114-8

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