Hartmann, Alexander K. - In: Physica A: Statistical Mechanics and its Applications 248 (1998) 1, pp. 1-20
A method is presented for the calculation of all exact ground states of diluted Ising antiferromagnets and random field Ising systems in an arbitrary range of magnetic fields Bϵ [Bstart, Bend] resp. Δϵ [Δstart, Δend]. It works by calculating all jump-fields B, Δ where the system changes...