Quantum impurity models as reference systems for strongly correlated materials: The road from the Kondo impurity model to first principles electronic structure calculations with dynamical mean-field theory

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Dynamical mean field theory (DMFT) relates extended systems (bulk solids, surfaces and interfaces) to quantum impurity models (QIM) satisfying a self-consistency condition. This mapping provides an economic description of correlated electron materials. It is currently used in practical computations of physical properties of real materials. It has also great conceptual value, providing a simple picture of correlated electron phenomena on the lattice, using concepts derived from quantum impurity models such as the Kondo effect. DMFT can also be formulated as a first principles electronic structure method and is applicable to correlated materials.

Original languageEnglish (US)
Pages (from-to)147-154
Number of pages8
JournalJournal of the Physical Society of Japan
Issue number1
StatePublished - Jan 1 2005

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


  • Correlated electrons systems
  • Density functional theory
  • Dynamical mean field theory
  • First principles electronic structure methods
  • Quantum impurity models

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