Kondo singlet versus Zhang-Rice and Heitler-London singlets

K. Kikoin, Y. Avishai

Research output: Contribution to journalConference articlepeer-review


The Anderson model describing double-shell nanoparticles (NP) was mapped onto spin Hamiltonians with the symmetry of spin rotator SO(4). The low energy spectrum of NPs was formed by singlet and triplet states with respective energies ET, ES, and charge excitations separated from these states by a charge transfer gap. The observed behavior of nanoparticles was like underscreened S=1 Kondo impurities with non-universal TK(δ).

Original languageEnglish
Pages (from-to)165-166
Number of pages2
JournalPhysica B: Condensed Matter
StatePublished - 1 Mar 2002
EventInternational Conference on Strongly Correlated Electrons - Ann Arbor, MI, United States
Duration: 6 Aug 20026 Aug 2002


  • Kondo effect
  • Spin rotator
  • Zhang-Rice singlet

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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