55 citations · 230 across the 18 of their papers we have counts for
4 papers · 1 filter
Importance of on-site interaction in graphene
Hari P. Dahal, Jean-Pierre Julien, A. V. Balatsky
We use the Gutzwiller method to investigate the importance of the on-site Coulomb interaction in graphene. We apply it to Hubbard Hamiltonian to study the renormalization of the ki…
Tuning impurity states in bilayer graphene
Hari P. Dahal, A. V. Balatsky, Jian-Xin Zhu
We study the impurity states in bilayer graphene in the unitary limit using Green's function method. Unlike in single layer graphene, the presence of impurities at two non-equivale…
Wigner crystallization in a single and bilayer graphene
Hari P. Dahal, Tim O. Wehling, Kevin S. Bedell +2
We study the possibility of Wigner crystallization in both single- and and bi-layer graphene using a real space tight binding model. In addition to verifying our earlier prediction…
Local impurity effects in superconducting graphene
T. O. Wehling, H. P. Dahal, A. I. Lichtenstein +1
We study the effect of impurities in superconducting graphene and discuss their influence on the local electronic properties. In particular, we consider the case of magnetic and no…