Hadjiagapiou, Ioannis A. - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 13, pp. 3541-3555
The Ising model in the presence of a random field, drawn from the asymmetric and anisotropic trimodal probability distribution P(hi)=pδ(hi−h0)+qδ(hi+λ∗h0)+rδ(hi), is investigated. The partial probabilities p,q,r take on values within the interval [0,1] consistent with the constraint...