Quantum fluctuations and the c-axis optical conductivity of high superconductors

L. Ioffe, A. Millis

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

A theory of the frequency dependence of the interplane conductivity of a strongly anisotropic superconductor is presented. The form of the conductivity is shown to be a sensitive probe of the strength of quantum and thermal fluctuations of the phase of the superconducting order parameter. The temperature dependence of the superfluid stiffness and of the form of the absorbtion at frequencies of the order of twice the superconducting gap is shown to depend on the interplay between superconducting pairing, phase coherence, and the mechanism by which electrons are scattered. Measurements of the c-axis conductivity of high-(Formula presented) superconductors are interpreted in terms of the theory.

Original languageEnglish (US)
Pages (from-to)9077-9087
Number of pages11
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume61
Issue number13
DOIs
StatePublished - 2000

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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