Bound states of Dirac fermions in monolayer gapped graphene in the presence of local perturbations
Yarmohammadi Mohsen1, †, 
, Zareyan Malek2
, Zareyan Malek2 Schematic diagram of our model: (a) graphene with a point tip to produce a gapless region, (b) top view of graphene with finite gapless region, (c) band structure of the model, and (d) doped circular region with a ring segment to induce the chemical potential inside the gapless circular region.
