Study of the spin-$\frac32$ Hubbard-Kondo lattice model by means of the Composite Operator Method
Adolfo Avella, Ferdinando Mancini
TL;DR
This paper investigates the spin-3/2 Hubbard-Kondo lattice model using the Composite Operator Method, focusing on the dynamics of strongly correlated electrons and spins in a ferromagnetic state with a Holstein-Primakov transformation.
Contribution
It introduces a novel application of the Composite Operator Method to analyze the complex interactions in the spin-3/2 Hubbard-Kondo lattice model.
Findings
Calculated spin and particle dynamics in the ferromagnetic state.
Accounted for strong on-site correlations and antiferromagnetic exchange.
Included Hund coupling effects in the analysis.
Abstract
We study the spin- Hubbard-Kondo lattice model by means of the Composite Operator Method, after applying a Holstein-Primakov transformation. The spin and particle dynamics in the ferromagnetic state are calculated by taking into account strong on-site correlations between electrons and antiferromagnetic exchange among spins, together with usual Hund coupling between electrons and spins.
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