Abstract
The Barnea-Horwitz (BH) RPA nondegenerate Hubbard model (NDHM) of complex magnons in metallic ferromagnets at zero and finite temperatures is generalized to include ten-fold d-electron(hole) degeneracy using the Moriya-Kemeny-Siegel (MKS) ten-fold degenerate Hubbard model (TDHM). As such, in the RPA, Hartree-Fock (HF) one-electron(hole) regime, metallic ferromagnet specificity is automatically included via the inherent d-bandwidth ( w TB d) and d-bandfilling (⨍ B) dependence of the TDHM electron(hole)-electron(hole) interaction. As such, local HF limit electron(hole) spin and charge polarity fluctuations, via the increased possibility of multiple electron(hole) site occupancy, even in the RPA-HF, are automatically included.
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