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STM Vortex Core Spectroscopy and Non-BCS Pairing in High Temperature Superconductors

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Advances in Superconductivity XI

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Abstract

We present scanning tunneling spectroscopy (STS) investigations of high temperature superconductors illustrating the very unusual characteristics of the superconducting gap, and the intimate relation existing between the superconducting and the normal-state gap (pseudogap). A unique feature of STS is to probe the local density of quasiparticle states bound to individual vortices. The vortex core spectroscopy sheds new light on the pseudogap and the microscopic nature of HTS. The experiments reviewed here suggest that HTS are in a regime very different from BCS, approaching the crossover to Bose-Einstein condensation.

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Author information

Authors and Affiliations

  1. DPMC, University of Geneva, 24, Quai Ernest-Ansermet, 1211, Geneva 4, Switzerland

    Christophe Renner, Bernard Revaz, Ivan Maggio-Aprile, Andreas Erb, Eric Walker & Øystein Fischer

  2. Institute of Materials Science, University of Tsukuba, Tsukuba, 305 Ibaraki, Japan

    Kazuo Kadowaki

Authors
  1. Christophe Renner
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  2. Bernard Revaz
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  3. Kazuo Kadowaki
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  4. Ivan Maggio-Aprile
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  5. Andreas Erb
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  6. Eric Walker
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  7. Øystein Fischer
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Editor information

Editors and Affiliations

  1. Superconductivity Research Laboratory, ISTEC, 1-10-13 Shinonome, Koto-ku, Tokyo, 135-0062, Japan

    Naoki Koshizuka (Deputy Director General, Director, Division 1) & Setsuko Tajima (Director, Division 2) (Deputy Director General, Director, Division 1) &  (Director, Division 2)

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© 1999 Springer Japan

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Renner, C. et al. (1999). STM Vortex Core Spectroscopy and Non-BCS Pairing in High Temperature Superconductors. In: Koshizuka, N., Tajima, S. (eds) Advances in Superconductivity XI. Springer, Tokyo. https://doi.org/10.1007/978-4-431-66874-9_29

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  • DOI: https://doi.org/10.1007/978-4-431-66874-9_29

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-66876-3

  • Online ISBN: 978-4-431-66874-9

  • eBook Packages: Springer Book Archive

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