Spontaneous breaking of layer symmetry in an Ising film and universality

L. Angelini, D. Caroppo, M. Pellicoro and M. Villani

Physica A: Statistical Mechanics and its Applications, 1997, vol. 237, issue 1, 320-330

Abstract: Within the correlation length equality approach, introduced in previous papers, a spontaneous symmetry breaking phenomenon among the identical planes of a two-layer ferromagnetic Ising film is growing, according to which the divergence of the correlation length at the critical point is essentially due to a single plane developing strong correlations, the other plane acting as a “spectator”, which profits by these correlations. The phenomenon is responsible for the fact that the thermal critical exponent v does not depend on the coupling between the two planes and coincides with its value in the 2D Ising model.

Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:237:y:1997:i:1:p:320-330

DOI: 10.1016/S0378-4371(96)00432-3

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