Direct Extraction of the Eliashberg Function for Electron-Phonon Coupling: A Case Study of Be(101¯0)

Junren Shi, S.-J. Tang, Biao Wu, P. T. Sprunger, W. L. Yang, V. Brouet, X. J. Zhou, Z. Hussain, Z.-X. Shen, Zhenyu Zhang, and E. W. Plummer
Phys. Rev. Lett. 92, 186401 – Published 4 May 2004

Abstract

We propose a systematic procedure to directly extract the Eliashberg function for electron-phonon coupling from high-resolution angle-resolved photoemission measurement. The procedure is successfully applied to the Be(101¯0) surface, providing new insights into 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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  • Received 4 August 2003

DOI:https://doi.org/10.1103/PhysRevLett.92.186401

©2004 American Physical Society

Authors & Affiliations

Junren Shi1, S.-J. Tang2, Biao Wu1,3, P. T. Sprunger4, W. L. Yang5,6, V. Brouet5,6, X. J. Zhou5, Z. Hussain6, Z.-X. Shen5, Zhenyu Zhang1,2, and E. W. Plummer1,2

  • 1Condensed Matter Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
  • 2Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
  • 3Department of Physics, University of Texas, Austin, Texas 78712, USA
  • 4Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA
  • 5Department of Physics, Applied Physics and Stanford Synchrotron Radiation Laboratory, Stanford University, Stanford, California 94305, USA
  • 6Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

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Issue

Vol. 92, Iss. 18 — 7 May 2004

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