Hysteresis loops for a bulk ferromagnetic by Heisenberg model
... expression for Curie temperature allows to evaluate the exchange integral and proceed into temperature range above the critical temperature.
Leble S. B., Chychkalo A. Yu.
hysteresis loop, ferromagnetism, paramagnetism, Curie temperature, Curie point, magnetisation curve, Curie — Weiss law, transcedental equation
35-42