Momentum distribution curves in the superconducting state

M. R. Norman, M. Eschrig, A. Kaminski, and J. C. Campuzano
Phys. Rev. B 64, 184508 – Published 18 October 2001
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Abstract

We demonstrate that the E vs k dispersion in the superconducting state extracted from momentum-distribution curves differs qualitatively from the traditional dispersion extracted from energy-distribution curves. This occurs because of a combination of many-body effects and the presence of an energy gap, along with the associated coherence factors. Analysis of such momentum-distribution-curve dispersions can give important information on the microscopics of high-temperature superconductors.

  • Received 29 May 2001

DOI:https://doi.org/10.1103/PhysRevB.64.184508

©2001 American Physical Society

Authors & Affiliations

M. R. Norman1, M. Eschrig1, A. Kaminski2, and J. C. Campuzano1,2

  • 1Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439
  • 2Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607

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Vol. 64, Iss. 18 — 1 November 2001

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