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Contribution of Itinerant Electrons to Optical Anomalies in the Normal State of Oxide Superconductors

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Advances in Superconductivity III
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Abstract

We have quantitatively investigated the contributions of itinerant electrons to optical conductivity and to Raman scattering intensity in the normal state of the high-Tc oxide superconductors on the basis of the Lindhard dielectric function in the relaxation-time approximation. Through inclusion of the frequency dependence of the relaxation time, our charged-Fermi-liquid model can appropriately account for the anomalous behaviors in optical conductivity in the mid-infrared region. As for Raman scattering intensity, however, inclusion of other contributions than those of the charged Fermi liquids is necessary to quantitatively explain the experimental results.

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© 1991 Springer-Verlag Tokyo

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Tanaka, S. (1991). Contribution of Itinerant Electrons to Optical Anomalies in the Normal State of Oxide Superconductors. In: Kajimura, K., Hayakawa, H. (eds) Advances in Superconductivity III. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68141-0_47

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  • DOI: https://doi.org/10.1007/978-4-431-68141-0_47

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68143-4

  • Online ISBN: 978-4-431-68141-0

  • eBook Packages: Springer Book Archive

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