Antiferromagnetic dilute bond Ising model exhibiting a spin-glass phase transition
- 28 June 1977
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 10 (12) , L353-L356
- https://doi.org/10.1088/0022-3719/10/12/004
Abstract
Using a formulation of the dilute bond Ising model in terms of an equivalent Hamiltonian described recently by Bidaux, Carton and Sarma (1976), the authors study the case of an antiferromagnetic nearest-neighbour interaction. The appearance of a spin-glass phase is observed if the antiferromagnetic structure at temperature T=O, concentration c=1 is 'non-trivial', i.e., when the ground state does not allow minimisation of the energy for each bond, due to geometric hindrances. Such a situation, with only one type of interaction, contrasts with the case of oscillating interactions in dilute systems usually invoked to explain spin-glasses.Keywords
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