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New Challenges in Superconductivity: Experimental Advances and Emerging Theories pp 73–78Cite as

Two Fluids Formation in the Normal State of High-TC Superconductor

High Temperature Thermopower of La2−xSrxCuO4

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Part of the book series: NATO Science Series II: Mathematics, Physics and Chemistry ((NAII,volume 183))

Abstract

Thermoelectric power (TEP) of high-TC superconductors has been investigated in a wide range of temperature (TC < T < 700 K) for La2−xSrxCuO4. For wide doping level from underdoping to heavily overdoping, TEP follows the linear-T dependence above the broad peak temperature, Tp. At high temperatures, however, TEP shows deviation from the linear-T dependence at a certain temperature Th, which is consistent with the pseudogap temperature. The systematic change of the TEP behavior is discussed in terms of the two fluids model of bound pairs and independent normal carriers.

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Authors and Affiliations

  1. School of Physics and Condensed Matter Research Institute, Seoul National University, Seou, 151-747, Korea

    J. S. Kim & Y. W. Park

Authors
  1. J. S. Kim
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  2. Y. W. Park
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Editor information

Editors and Affiliations

  1. University of Miami, FL, USA

    J. Ashkenazi , Joshua L. Cohn  & Fulin Zuo ,  & 

  2. Kazan State University, Kazan, Russian Federation

    Mikhail V. Eremin

  3. Freie Universität Berlin, Germany

    Ilya Eremin

  4. Max-Planck-Institute for Solid State Research, Stuttgart, Germany

    Dirk Manske

  5. EPFL, Institute of Physics of Complex Matter, Lausanne, Switzerland

    Davor Pavuna

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Kim, J.S., Park, Y.W. (2005). Two Fluids Formation in the Normal State of High-TC Superconductor. In: Ashkenazi, J., et al. New Challenges in Superconductivity: Experimental Advances and Emerging Theories. NATO Science Series II: Mathematics, Physics and Chemistry, vol 183. Springer, Dordrecht. https://doi.org/10.1007/1-4020-3085-1_13

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