Direct extraction of the Eliashberg function for electron-phonon coupling: A case study of Be(1010)

Abstract

We propose a systematic procedure to directly extract the Eliashberg function for electron-phonon coupling from high-resolution angle-resolved photoemission data. The procedure is successfully applied to the Be(1010) surface, providing new insights to electron-phonon coupling at this surface. The method is shown to be robust against imperfections in experimental data and suitable for wider applications.

4 pages, 4 figures. More details concerning the procedure are included

References in corpus (5)

• Angle-resolved photoemission spectroscopy of the cuprate superconductors
• Evidence for ubiquitous strong electron-phonon coupling in high-temperature superconductors
• Many-body Effects in Angle-resolved Photoemission: Quasiparticle Energy and Lifetime of a Mo(110) Surface State
• Role of bulk and surface phonons in the decay of metal surface states
• Electron-phonon interaction at the Be(0001) surface

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