Periodic Anderson Model (PAM)

Vladimir Anisimov, Yuri Izyumov

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Among many f-electrons (rare-earth and actinides) compounds especially interesting are so called “heavy fermion” (HF) systems. Anomalously high values of electronic specific heat and low-temperature magnetic susceptibility evidence high effective mass m* value for charge carriers that can be tens and hundreds time larger than electron mass m. Magnetic and transport properties of such compounds are strongly temperature dependent. For high T f-electrons seems to be weakly interacting with itinerant electrons forming localized magnetic moments. However for low temperatures the picture is drastically different: local magnetic moments are suppressed and transport properties correspond to approaching to insulating state with T decrease. At T = 0 they could become insulators due to gap appearance on Fermi surface. Such systems are called Kondo insulators.

Original languageEnglish
Title of host publicationSpringer Series in Solid-State Sciences
PublisherSpringer Science and Business Media Deutschland GmbH
Pages173-201
Number of pages29
DOIs
Publication statusPublished - 2010
Externally publishedYes

Publication series

NameSpringer Series in Solid-State Sciences
Volume163
ISSN (Print)0171-1873
ISSN (Electronic)2197-4179

Keywords

  • Fermi Level
  • Heavy Fermion
  • Itinerant Electron
  • Kondo Temperature
  • Quantum Monte Carlo

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