Nobre, Fernando D. - In: Physica A: Statistical Mechanics and its Applications 319 (2003) C, pp. 362-370
The ±J Ising spin glass [probabilities p and (1−p) associated with ferromagnetic and antiferromagnetic couplings, respectively] is studied, at zero temperature, on a hierarchical lattice that approaches the square lattice. It is shown that, for a wide range of values of p [between (1−pc)...