Anomaly at Delta_k in the ARPES spectrum of dirty superconductors
classification
❄️ cond-mat.supr-con
keywords
anomalyarpesdeltaspectrumsuperconductorsawaycupratedirty
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Elastic forward scattering can lead to an anomaly in the ARPES spectrum of the cuprate superconductors. Here we discuss how this anomaly can be used to provide a measurement of the superconducting gap Delta_k for k values away from the Fermi surface.
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