131 citations · 703 across the 24 of their papers we have counts for
7 papers · 1 filter
Phases, transitions, and boundary conditions in a model of interacting bosons
Jamshid Moradi Kurdestany, Ramesh V. Pai, Subroto Mukerjee +1
We carry out an extensive study of the phase diagrams of the extended Bose Hubbard model, with a mean filling of one boson per site, in one dimension by using the density matrix re…
Phases and phase transitions of frustrated hard-core bosons on a triangular ladder
Tapan Mishra, Ramesh V. Pai, Subroto Mukerjee +1
We study hardcore bosons on a triangular ladder at half filling in the presence of a frustrating hopping term and a competing nearest neighbor repulsion which promotes crystall…
Chiral Mott insulator with staggered loop currents in the fully frustrated Bose Hubbard model
Arya Dhar, Tapan Mishra, Maheswar Maji +3
Motivated by experiments on Josephson junction arrays in a magnetic field and ultracold interacting atoms in an optical lattice in the presence of synthetic orbital magnetic fields…
DMRG studies on linear-exchange quantum spin models in one dimension
Bimla Danu, Brijesh Kumar, Ramesh V. Pai
We study a class of spin-1/2 quantum antiferromagnetic chains using DMRG technique. The exchange interaction in these models decreases linearly as a function of the separation betw…
Mean field analysis of quantum phase transitions in a periodic optical superlattice
Arya Dhar, Manpreet Singh, Ramesh V. Pai +1
In this paper we analyze the various phases exhibited by a system of ultracold bosons in a periodic optical superlattice using the mean field decoupling approximation. We investiga…
Three body on-site interactions in ultracold bosonic atoms in optical lattices and superlattices
Manpreet Singh, Arya Dhar, Tapan Mishra +2
The Mott insulator-superfluid transition for ultracold bosonic atoms in an optical lattice has been extensively studied in the framework of the Bose-Hubbard model with two-body on-…