17 citations · 17 across the 2 of their papers we have counts for
2 papers
cond-mat.mes-hall2015
Coulomb screening in graphene with topological defects
Baishali Chakraborty, Kumar S. Gupta, Siddhartha Sen
We analyze the screening of an external Coulomb charge in gapless graphene cone, which is taken as a prototype of a topological defect. In the subcritical regime, the induced charg…
cond-mat.mes-hall2010★ 17 cited
Effect of topology on the critical charge in graphene
Baishali Chakraborty, Kumar S. Gupta, Siddhartha Sen
We show that the critical charge for the Dirac excitations in gapless graphene depends on the spatial topology of the sample. In particular, for graphene cones, the effective value…