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Journal of Superconductivity and Novel Magnetism

, Volume 22, Issue 2, pp 201–204 | Cite as

Magnetotransport in the CeIrIn5 System: The Influence of Antiferromagnetic Fluctuations

  • Sunil Nair
  • M. Nicklas
  • J. L. Sarrao
  • J. D. Thompson
  • F. Steglich
  • S. WirthEmail author
Open Access
Original Paper

Abstract

We present an overview of magnetotransport measurements on the heavy-fermion superconductor CeIrIn5. Sensitive measurements of the Hall effect and magnetoresistance are used to elucidate the low-temperature phase diagram of this system. The normal-state magnetotransport is highly anomalous, and experimental signatures of a pseudogap-like precursor state to superconductivity, as well as evidence for two distinct scattering times governing the Hall effect and the MR, are observed. Our observations point out the influence of antiferromagnetic fluctuations on the magnetotransport in this class of materials. The implications of these findings, both in the context of unconventional superconductivity in heavy-fermion systems and in relation to the high-temperature superconducting cuprates, are discussed.

Keywords

Heavy-fermion superconductors Hall effect Magnetoresistance 

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Copyright information

© The Author(s) 2008

Open AccessThis is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License (https://creativecommons.org/licenses/by-nc/2.0), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

Authors and Affiliations

  • Sunil Nair
    • 1
  • M. Nicklas
    • 1
  • J. L. Sarrao
    • 2
  • J. D. Thompson
    • 2
  • F. Steglich
    • 1
  • S. Wirth
    • 1
    Email author
  1. 1.Max Planck Institute for Chemical Physics of SolidsDresdenGermany
  2. 2.Los Alamos National LaboratoryLos AlamosUSA

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