Abstract
The phase diagrams, magnetization curves, and specific heat are examined for the case of square and simple-cubic ferromagnets with quenched randomness of the exchange integral. The calculations are based on the Gaussian probability function. The results are similar to those obtained previously with the Handrich-Kaneyoshi (HK) method only for small values of the disorder parameter \ensuremath{\delta}. For large values of \ensuremath{\delta} significant differences appear and the Gaussian distribution cannot be approximated by a function of the HK type.
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