Pai, R.V.; Kurdestany, J.M.; Sheshadri, K.; Pandit, Rahul
(Physical Review B. 85(21); 2012; Article ID: 214524.)
An extensive study of Mott insulator (MI) and superfluid (SF) shells in Bose-Hubbard (BH) models for bosons in optical lattices with harmonic traps is presented. For this we apply the inhomogeneous mean-field theory ...