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Magnetically mediated superconductivity in heavy fermion compounds

Author

Listed:
  • N. D. Mathur

    (University of Cambridge)

  • F. M. Grosche

    (MPI Chemische Physik fester Stoffe)

  • S. R. Julian

    (Cavendish Laboratory and the Interdisciplinary Research Centre for Superconductivity, University of Cambridge)

  • I. R. Walker

    (Cavendish Laboratory and the Interdisciplinary Research Centre for Superconductivity, University of Cambridge)

  • D. M. Freye

    (Cavendish Laboratory and the Interdisciplinary Research Centre for Superconductivity, University of Cambridge)

  • R. K. W. Haselwimmer

    (Cavendish Laboratory and the Interdisciplinary Research Centre for Superconductivity, University of Cambridge)

  • G. G. Lonzarich

    (Cavendish Laboratory and the Interdisciplinary Research Centre for Superconductivity, University of Cambridge)

Abstract

In a conventional superconductor, the binding of electrons into the paired states that collectively carry the supercurrent is mediated by phonons — vibrations of the crystal lattice. Here we argue that, in the case of the heavy fermion superconductors CePd2Si2 and CeIn3, the charge carriers are bound together in pairs by magnetic spin–spin interactions. The existence of magnetically mediated superconductivity in these compounds could help shed light on the question of whether magnetic interactions are relevant for describing the superconducting and normal-state properties of other strongly correlated electron systems, perhaps including the high-temperature copper oxide superconductors.

Suggested Citation

  • N. D. Mathur & F. M. Grosche & S. R. Julian & I. R. Walker & D. M. Freye & R. K. W. Haselwimmer & G. G. Lonzarich, 1998. "Magnetically mediated superconductivity in heavy fermion compounds," Nature, Nature, vol. 394(6688), pages 39-43, July.
    • Handle: RePEc:nat:nature:v:394:y:1998:i:6688:d:10.1038_27838
    DOI: 10.1038/27838
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    Cited by:

    1. M. Zonno & M. Michiardi & F. Boschini & G. Levy & K. Volckaert & D. Curcio & M. Bianchi & P. F. S. Rosa & Z. Fisk & Ph. Hofmann & I. S. Elfimov & R. J. Green & G. A. Sawatzky & A. Damascelli, 2024. "Mixed-valence state in the dilute-impurity regime of La-substituted SmB6," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    2. W. Simeth & Z. Wang & E. A. Ghioldi & D. M. Fobes & A. Podlesnyak & N. H. Sung & E. D. Bauer & J. Lass & S. Flury & J. Vonka & D. G. Mazzone & C. Niedermayer & Yusuke Nomura & Ryotaro Arita & C. D. Ba, 2023. "A microscopic Kondo lattice model for the heavy fermion antiferromagnet CeIn3," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    3. Sami Dzsaber & Diego A. Zocco & Alix McCollam & Franziska Weickert & Ross McDonald & Mathieu Taupin & Gaku Eguchi & Xinlin Yan & Andrey Prokofiev & Lucas M. K. Tang & Bryan Vlaar & Laurel E. Winter & , 2022. "Control of electronic topology in a strongly correlated electron system," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    4. Younsik Kim & Min-Seok Kim & Dongwook Kim & Minjae Kim & Minsoo Kim & Cheng-Maw Cheng & Joonyoung Choi & Saegyeol Jung & Donghui Lu & Jong Hyuk Kim & Soohyun Cho & Dongjoon Song & Dongjin Oh & Li Yu &, 2023. "Kondo interaction in FeTe and its potential role in the magnetic order," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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