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

Junren Shi , S.-J Tang , Biao Wu , P.T. Sprunger , W.L. Yang , V. Brouet , X.J. Zhou , Z. Hussain

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Z.-X. Shen Zhenyu Zhang E.W. Plummer

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classification ❄️ cond-mat.str-el

keywords couplingelectron-phonondataeliashbergfunctionproceduresurfaceangle-resolved

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

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