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Quantum oscillations in an overdoped high-Tc superconductor

Author

Listed:
  • B. Vignolle

    (Laboratoire National des Champs Magnétiques Pulsés (LNCMP), UMR CNRS-UPS-INSA 5147, Toulouse 31400, France)

  • A. Carrington

    (H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK)

  • R. A. Cooper

    (H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK)

  • M. M. J. French

    (H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK)

  • A. P. Mackenzie

    (Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St Andrews, St Andrews, Fife KY16 9SS, UK)

  • C. Jaudet

    (Laboratoire National des Champs Magnétiques Pulsés (LNCMP), UMR CNRS-UPS-INSA 5147, Toulouse 31400, France)

  • D. Vignolles

    (Laboratoire National des Champs Magnétiques Pulsés (LNCMP), UMR CNRS-UPS-INSA 5147, Toulouse 31400, France)

  • Cyril Proust

    (Laboratoire National des Champs Magnétiques Pulsés (LNCMP), UMR CNRS-UPS-INSA 5147, Toulouse 31400, France)

  • N. E. Hussey

    (H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK)

Abstract

High-temperature superconductors show they're metal As well as their elevated superconducting transition temperatures (Tcs), the copper-oxide superconductors display a variety of novel physical properties that have inspired many theories to explain their electronic ground state. One topic of note is the nature of the metallic phase in these compounds, in particular, how coherent electronic states or quasiparticles emerge from the antiferromagnetic insulator with doping — the addition of trace amounts of impurities. Vignolle et al. report the observation of quantum oscillations, that is, oscillations in the electrical and magnetic response as a function of magnetic field, in the overdoped superconductor Tl2Ba2CuO6+δ. These oscillations point to the existence of a large Fermi surface of well-defined quasiparticles covering two-thirds of the Brillouin zone. The measurements confirm the applicability of a generalized Fermi-liquid picture to the overdoped side of the superconducting dome and mean that the important charge carriers involved in superconductivity are essentially similar to those found in normal metals.

Suggested Citation

  • B. Vignolle & A. Carrington & R. A. Cooper & M. M. J. French & A. P. Mackenzie & C. Jaudet & D. Vignolles & Cyril Proust & N. E. Hussey, 2008. "Quantum oscillations in an overdoped high-Tc superconductor," Nature, Nature, vol. 455(7215), pages 952-955, October.
    • Handle: RePEc:nat:nature:v:455:y:2008:i:7215:d:10.1038_nature07323
    DOI: 10.1038/nature07323
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    Cited by:

    1. Carsten Putzke & Chunyu Guo & Vincent Plisson & Martin Kroner & Thibault Chervy & Matteo Simoni & Pim Wevers & Maja D. Bachmann & John R. Cooper & Antony Carrington & Naoki Kikugawa & Jennifer Fowlie , 2023. "Layered metals as polarized transparent conductors," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. Panagiota Perlepe & Itziar Oyarzabal & Laura Voigt & Mariusz Kubus & Daniel N. Woodruff & Sebastian E. Reyes-Lillo & Michael L. Aubrey & Philippe Négrier & Mathieu Rouzières & Fabrice Wilhelm & Andrei, 2022. "From an antiferromagnetic insulator to a strongly correlated metal in square-lattice MCl2(pyrazine)2 coordination solids," Nature Communications, Nature, vol. 13(1), pages 1-7, December.

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