Quasiparticles in heavy-fermion systems with nearly integer valence

K. A. Kikoin

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The theory describing the electron mass enhancement in Kondo-lattice heavy-fermion systems is presented. The description is based on the picture of a spin Fermi liquid of RVB type which strongly interacts with conduction electrons. It is shown that the electron-spinon scattering results in large phase shifts for conduction electrons near the Fermi level which mimic the resonance renormalization but does not involve f-electron states. The results are compared with dHvA data for several Ce-based compounds.

Original languageEnglish
Pages (from-to)3601-3617
Number of pages17
JournalJournal of Physics Condensed Matter
Volume8
Issue number20
DOIs
StatePublished - 13 May 1996
Externally publishedYes

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