Signatures of modulated pair interaction in cuprate superconductors

Recent low-temperature scanning tunnelling spectroscopy experiments on the surface of Bi2Sr2CaCu2O8+x have revealed a strong positive correlation between the position of localized resonances at −960meV identified with interstitial oxygen dopants and the size of the local spectral gap. We review effo...

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Veröffentlicht in:Physica. C, Superconductivity Superconductivity, 2007-09, Vol.460-462 (1), p.446-449
Hauptverfasser: Nunner, T.S., Hirschfeld, P.J., Andersen, B.M., Melikyan, A., McElroy, K.
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container_issue 1
container_start_page 446
container_title Physica. C, Superconductivity
container_volume 460-462
creator Nunner, T.S.
Hirschfeld, P.J.
Andersen, B.M.
Melikyan, A.
McElroy, K.
description Recent low-temperature scanning tunnelling spectroscopy experiments on the surface of Bi2Sr2CaCu2O8+x have revealed a strong positive correlation between the position of localized resonances at −960meV identified with interstitial oxygen dopants and the size of the local spectral gap. We review efforts to understand these correlations within a model where the dopants modulate the pair interaction on an atomic scale. We provide further evidence for this model by comparing the correlations between the dopants and the local density of states with experimental results.
doi_str_mv 10.1016/j.physc.2007.03.116
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source ScienceDirect Journals (5 years ago - present)
subjects Bi-based cuprates
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cuprates superconductors (high tc and insulating parent compounds)
d-Wave superconductivity
Disorder
Exact sciences and technology
Pair mechanism
Physics
STM
Superconductivity
Theory
title Signatures of modulated pair interaction in cuprate superconductors
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