Many-body exchange-correlation effects in graphene

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dc.creatorHwang, E. H.
dc.creatorHu, Ben Yu-Kuang
dc.creatorSarma, S. Das
dc.date2007-07-31
dc.date.accessioned2026-07-07T09:37:53Z
dc.date.available2026-07-07T09:37:53Z
dc.descriptionWe calculate, within the leading-order dynamical-screening approximation, the electron self-energy and spectral function at zero temperature for extrinsic (or gated/doped) graphene. We also calculate hot carrier inelastic scattering due to electron-electron interactions in graphene. We obtain the inelastic quasiparticle lifetimes and associated mean free paths from the calculated self-energy. The linear dispersion and chiral property of graphene gives energy dependent lifetimes that are qualitatively different from those of parabolic-band semiconductors.
dc.descriptionSubmitted on July 8, 2007 to EP2DS-17, Genova, Italy
dc.identifierhttps://arxiv.org/abs/0707.4674
dc.identifierhttp://arxiv.org/abs/0707.4674
dc.identifierPhysica E 40, 1653 (2008)
dc.identifierdoi:10.1016/j.physe.2007.10.043
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/160617
dc.subjectMesoscale and Nanoscale Physics
dc.titleMany-body exchange-correlation effects in graphene
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