Abstract:
Density of electron states, exchange-enhanced spin susceptibility, and orbital magnetic susceptibility of plutonium in the region of existence of a stable $\delta$ phase have been calculated within a generalized $s(p)\,df$ model that takes into account both the band motion of electrons and their on-site and intersite interactions. It is shown that splitting of the electron spectrum by fluctuating intrinsic exchange fields leads to the formation of temperature-induced local magnetic moments, temperature-dependent changes in the occupancies of $d$, $f$ bands, and spin-fluctuation-induced charge fluctuations.
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