Vassiliev, O.N; Rojdestvenski, I.V; Cottam, M.G - In: Physica A: Statistical Mechanics and its Applications 294 (2001) 1, pp. 139-154
Thermodynamic properties of the Heisenberg ferromagnetic chain are investigated using the Handscomb quantum Monte-Carlo method. The spin–spin interaction is long-range with the spin coupling parameter depending as r−p on the distance r between spins. Parameter p is in the range 1p⩽4. The...