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cond-mat.mtrl-sci2008★ 292 cited
Ab initio GW many-body effects in graphene
P. E. Trevisanutto, C. Giorgetti, L. Reining +2
We present an {\it ab initio} many-body GW calculation of the self-energy, the quasiparticle band plot and the spectral functions in free-standing undoped graphene. With respect to…
cond-mat.mtrl-sci2003
Optical absorption in small BN and C nanotubes
L. Wirtz, V. Olevano, A. G. Marinopoulos +2
We present a theoretical study of the optical absorption spectrum of small boron-nitride and carbon nanotubes using time-dependent density-functional theory and the random phase ap…