A S = 1 underscreened Kondo lattice model

N. B. Perkins, M. D. Núñez-Regueiro, J. R. Iglesias, B. Coqblin

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The underscreened Kondo lattice model presented here includes both an intra-site Kondo exchange interaction JK between the conduction band and localized 5 f electrons described by S = 1 spins, and an inter-site exchange f- f interaction JH. We write both localized and itinerant spins in a Fermionic representation, and then use a mean-field approximation. We obtain a coexistence of Kondo effect and magnetism which can account for the behavior of some Uranium compounds.

Original languageEnglish (US)
Pages (from-to)698-699
Number of pages2
JournalPhysica B: Condensed Matter
Issue numberSPEC. ISS.
StatePublished - May 1 2006
Externally publishedYes


  • Underscreened Kondo model
  • Uranium compounds

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