Screening of a hypercritical charge in graphene
classification
❄️ cond-mat.mes-hall
cond-mat.mtrl-sci
keywords
chargegrapheneexternalhypercriticalscreeningassumedawaychanges
read the original abstract
Screening of a large external charge in graphene is studied. The charge is assumed to be displaced away or smeared over a finite region of the graphene plane. The initial decay of the screened potential with distance is shown to follow the 3/2 power. It gradually changes to the Coulomb law outside of a hypercritical core whose radius is proportional to the external charge.
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