2-7 June 2019
Simon Fraser University
America/Vancouver timezone
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From Mott to not: phenomenology of overdoped cuprates

4 Jun 2019, 13:15
BLU 10011 (Simon Fraser University)

BLU 10011

Simon Fraser University

Invited Speaker / Conférencier(ère) invité(e) Symposia Day - Quantum Materials T3-5 Superconductivity (DCMMP) | Supraconductivité (DPMCM)


David Broun (Simon Fraser University)


Recently, the long-standing notion that the overdoped cuprate superconductors conform to a Landau-BCS description has been challenged strongly by new data on superfluid density and optical conductivity of high quality LSCO films. We show instead that a wide variety of experimental data on LSCO and Tl2201 (superfluid density, optics, heat capacity, thermal conductivity) can be explained by dirty d-wave theory, subject to significant Fermi-liquid renormalizations, provided that the starting point is an accurate parameterization of the electronic dispersion, and the sometimes nonintuitive effects of disorder are properly treated. Our conclusions have important implications for future research on overdoped materials, and the overall understanding of cuprate physics.

Primary author

David Broun (Simon Fraser University)

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