Screening of a hypercritical charge in graphene

M. M. Fogler; D. S. Novikov; B. I. Shklovskii

doi:10.1103/physrevb.76.233402

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arXiv · 0707.1023

Screening of a hypercritical charge in graphene

M. M. Fogler·D. S. Novikov·B. I. Shklovskii

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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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M. M. Fogler, D. S. Novikov, B. I. Shklovskii. 2007-08-29. Screening of a hypercritical charge in graphene. https://doi.org/10.1103/physrevb.76.233402

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