Sensitivity to changes in boundary conditions in S = 1 Ising spin glasses

Mai Suan Li, Marek Cieplak and Tomasz R. Gawron

Physica A: Statistical Mechanics and its Applications, 1994, vol. 205, issue 4, 497-501

Abstract: Transfer-matrix-based calculations of the defect energy in two-dimensional S = 1 Ising spin glasses yield a T = 0 exponent y which depends on the state of the spins at the boundary walls. If the boundary spins are not allowed to be in the zero state, the exponent y agrees with the value obtained for S = 12. Otherwise the exponent is different and S-dependent. We argue that the lower critical dimensionality should not depend on S. Our results point out the importance of selecting boundary conditions that capture the physics of the problem.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:205:y:1994:i:4:p:497-501

DOI: 10.1016/0378-4371(94)90216-X

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