Optical conductivity of a superfluid density wave

Abstract

We present a calculation of the low frequency optical conductivity of a superconductor in the presence of quenched inhomogeneity in both the superfluid and normal fluid densities. We find that inhomogeneity in the superfluid density displaces spectral weight from zero frequency to a frequency range that depends critically on the spatial correlation of normal and superfluid density fluctuations.

References in corpus (6)

• Discovery of microscopic electronic inhomogeneity in the high-Tc superconductor Bi2Sr2CaCu2O8+x
• Microwave Spectroscopy of Thermally Excited Quasiparticles in YBa_2Cu_3O_{6.99}
• Nodal Quasiparticle Lifetime in the Superconducting State of BSCCO(2212)
• Conductivity Due to Classical Phase Fluctuations in a Model For High-T_c Superconductors
• Phenomenological description of the microwave surface impedance and complex conductivity of high-$T_c$ single crystals
• Low Temperature AC Conductivity in BSCCO (2212)

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• Collective modes and terahertz near-field response of superconductors
• Anomalous gap edge dissipation in disordered superconductors on the brink of localization
• Determination of the optical properties of La{2-x}Ba{x}CuO{4} for several dopings, including the anomalous x=1/8 phase
• Phenomenology of a-axis and b-axis charge dynamics from microwave spectroscopy of highly ordered YBa2Cu3O6.50 and YBa2Cu3O6.993
• Microwave conductivity of d-wave superconductors with extended impurities
• Light-induced coherent interlayer transport in stripe-ordered ${\mathrm{La}}_{1.6-x}{\mathrm{Nd}}_{0.4}{\mathrm{Sr}}_x{\mathrm{CuO}}_4$
• A non-linear transport method for detecting superconducting stripes
• Signatures of superconducting gap inhomogeneities in optical properties