Momentum Distribution Curves in the Superconducting State

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 MDC dispersions can give important information on the microscopics of high temperature superconductors.

4 pages, revtex, 5 encapsulated postscript figures

References in corpus (1)

• Evidence for ubiquitous strong electron-phonon coupling in high-temperature superconductors

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