Antiferromagnetism and superconductivity in cerium based heavy-fermion compounds

Georg Knebel, Dai Aoki, Jacques Flouquet

Research output: Contribution to journalShort surveypeer-review

29 Citations (Scopus)

Abstract

The study of competing ground states is a central issue in condensed matter physics. In this article we will discuss the interplay of antiferromagnetic order and unconventional superconductivity in Ce based heavy-fermion compounds. In all examples discussed superconductivity appears at the border of magnetic order. Special focus is given on the pressure-temperature-magnetic field phase diagram of CeRhIn5 and CeCoIn5 which allows one to discuss microscopic coexistence of magnetic order and superconductivity in detail. A striking point is the similarity of the phase diagram of different classes of strongly correlated systems which is discussed briefly. The recently discovered non-centrosymmetric superconductors will open a new access with the possible mixing of odd and even parity pairing. 2011 Académie des sciences.

Original languageEnglish
Pages (from-to)542-566
Number of pages25
JournalComptes Rendus Physique
Volume12
Issue number5-6
DOIs
Publication statusPublished - 2011 Jun 1
Externally publishedYes

Keywords

  • CeCoIn
  • CeRhIn
  • Heavy fermions
  • Quantum critical point
  • Unconventional superconductivity

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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