Elusive electron-phonon coupling in quantitative analyses of the spectral function

@article{Veenstra2010ElusiveEC,
  title={Elusive electron-phonon coupling in quantitative analyses of the spectral function},
  author={C. Veenstra and G. L. Goodvin and M. Berciu and A. Damascelli},
  journal={Physical Review B},
  year={2010},
  volume={82},
  pages={012504}
}
  • C. Veenstra, G. L. Goodvin, +1 author A. Damascelli
  • Published 2010
  • Physics
  • Physical Review B
  • We examine multiple techniques for extracting information from angle-resolved photoemission spectroscopy (ARPES) data, and test them against simulated spectral functions for electron-phonon coupling. We find that, in the low-coupling regime, it is possible to extract self-energy and bare-band parameters through a self-consistent Kramers-Kronig bare-band fitting routine. We also show that the effective coupling parameters deduced from the renormalization of quasiparticle mass, velocity, and… CONTINUE READING
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