Momentum distribution functions in a one-dimensional extended periodic anderson model

I. Hagymási, J. Sólyom, O. Legeza

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1 Citation (Scopus)

Abstract

We study the momentum distribution of the electrons in an extended periodic Anderson model, where the interaction, Ucf, between itinerant and localized electrons is taken into account. In the symmetric half-filled model, due to the increase of the interorbital interaction, the f electrons become more and more delocalized, while the itinerancy of conduction electrons decreases. Above a certain value of Ucf the f electrons become again localized together with the conduction electrons. In the less than half-filled case, we observe that Ucf causes strong correlations between the f electrons in the mixed valence regime.

Original languageEnglish
Article number614017
JournalAdvances in Condensed Matter Physics
Volume2015
DOIs
Publication statusPublished - Jan 1 2015

ASJC Scopus subject areas

  • Condensed Matter Physics

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