Abstract
The authors consider the influence of spin fluctuations on the temperature dependence of the magnetization in an itinerant magnet. They calculate the temperature dependence of the magnetization, paying particular attention to the effects of the differing temperature dependences of the transverse (mperpendicular to 2) and longitudinal (m/sub ///2) magnetic fluctuations. They find that over a wide range in temperature the magnetization obeys the mixed law M2/M02 approximately 1-3/5(T/T1)43/-1/2(T/Tu)2. They use this result to explain the observed temperature dependence of the magnetization in the weak itinerant magnet ZrZn2.
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