Direct extraction of the Eliashberg function for electron-phonon coupling: A case study of Be(1010)
Shi, Junren · Tang, S. -J · Wu, Biao · Sprunger, P. T. · Yang, W. L. · Brouet, V. · Zhou, X. J. · Hussain, Z. · Shen, Z. -X. · Zhang, Zhenyu · Plummer, E. W.
Original · EN
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.
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