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The spin-fluctuation contribution to the electronic specific-heat enhancement and to the resistivity is calculated in the presence of a magnetic field using the random-phase approximation. The result is a depression of these contributions in the presence of the field thus providing a test of the paramagnon theory. A comparison with experiments on UAl₂ is presented and a measurable effect of several percent is predicted in very high magnetic fields of the order of 100 kG.
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Hertel et al. (1980) studied this question.
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