The European Physical Journal Special Topics

, Volume 224, Issue 6, pp 1127–1146 | Cite as

Critical quasiparticles in single-impurity and lattice Kondo models

  • M. Vojta
  • R. Bulla
  • P. Wölfle
Review
Part of the following topical collections:
  1. Quantum Phase Transitions in Correlated Electron Systems

Abstract

Quantum criticality in systems of local moments interacting with itinerant electrons has become an important and diverse field of research. Here we review recent results which concern (a) quantum phase transitions in single-impurity Kondo and Anderson models and (b) quantum phase transitions in heavy-fermion lattice models which involve critical quasiparticles. For (a) the focus will be on impurity models with a pseudogapped host density of states and their applications, e.g., in graphene and other Dirac materials, while (b) is devoted to strong-coupling behavior near antiferromagnetic quantum phase transitions, with potential applications in a variety of heavy-fermion metals.

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Copyright information

© EDP Sciences and Springer 2015

Authors and Affiliations

  • M. Vojta
    • 1
  • R. Bulla
    • 2
  • P. Wölfle
    • 3
  1. 1.Institut für Theoretische Physik, Technische Universität DresdenDresdenGermany
  2. 2.Institut für Theoretische Physik, Universität zu KölnKölnGermany
  3. 3.Institut für Theorie der Kondensierten Materie, Karlsruher Institut für TechnologieKarlsruheGermany

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