ISSN - 10980121, Physical Review B - Condensed Matter and Materials Physics, 2010, vol. 81, p. -
Induced charge generated by a potential well in graphene
The induced charge density, ρind (r), generated in graphene by the potential well of the finite radius R is considered. The result for ρind (r) is derived for large distances rR. We also obtained the induced charges outside of the radius rR and inside of this radius for subcritical and supercritical regimes. The consideration is based on the convenient representation of the induced charge density via the Green's function of electron in the field. © 2010 The American Physical Society.