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Angle-resolved photoemission spectra of graphene from first-principles calculations
Cited 99 time in
Web of Science
Cited 101 time in Scopus
- Authors
- Issue Date
- 2009-12
- Publisher
- American Chemical Society
- Citation
- Nano Letters, Vol.9 No.12, pp.4234-4239
- Abstract
- Angle-resolved photoemission spectroscopy (ARPES) is a powerful experimental technique for directly probing electron dynamics in solids. The energy versus momentum dispersion relations and the associated spectral broadenings measured by ARPES provide a wealth of information on quantum many-body interaction effects. In particular, ARPES allows studies of the Coulomb interaction among electrons (electron-electron interactions) and the interaction between electrons and lattice vibrations (electron-phonon interactions). Here, we report ab initio simulations of the ARPES spectra of graphene including both electron-electron and electron-phonon interactions on the same footing. Our calculations reproduce some of the key experimental observations related to many-body effects, including the indication of a mismatch between the upper and lower halves of the Dirac cone. © 2009 American Chemical Society.
- ISSN
- 1530-6984
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