Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010pobeo..89..117r&link_type=abstract
Publications of the Astronomical Observatory of Belgrade, vol. 89, pp. 117-120
Astronomy and Astrophysics
Astronomy
Scientific paper
We use a quantum hydrodynamic (QHD) model to describe the high-frequency plasmon excitations of the carbon valence electrons responding to fast ions which move parallel to a single sheet of graphene supported by an insulating substrate. We calculate the stopping and the image forces on ions. Numerical results are obtained showing the effects of variation in size of the gap between graphene and the SiO2 substrate, as well as the effects of a finite frictional coefficient, on these quantities.
Jovanović Vesna Borka
Miskovic Z. L.
Radović I.
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