24 citations · 81 across the 10 of their papers we have counts for
6 papers · 1 filter
Hubbard Model on the Honeycomb Lattice with an Indefinite Long-Range Interaction
Mohammad-Sadegh Vaezi, Davoud Nasr Esfahani
Several studies have emphasized the impact of long-range Coulomb interactions in lattice fermions, yet conventional Auxiliary Field Quantum Monte Carlo (QMC) methods face limitatio…
Collapse of the low temperature insulating state in Cr-doped VO thin films
Pía Homm, Leander Dillemans, Mariela Menghini +10
We have grown epitaxial Cr-doped VO thin films with Cr concentrations between and on -AlO by oxygen-assisted molecular beam epitaxy. For the high…
An electric-field driven Mott metal-insulator transition in correlated thin films: an inhomogeneous dynamical mean-field theory approach
Petar Bakalov, Davoud Nasr Esfahani, Lucian Covaci +3
Simulations are carried out based on the dynamical mean-field theory (DMFT) in order to investigate the properties of correlated thin films for various values of the chemical poten…
Non-linear response to electric field in extended Hubbard models
D. Nasr Esfahani, L. Covaci, F. M. Peeters
The electric-field response of a one-dimensional ring of interacting fermions, where the interactions are described by the extended Hubbard model, is investigated. By using an accu…
Field effect on surface states in a doped Mott-Insulator thin film
D. Nasr Esfahani, L. Covaci, F. M. Peeters
Surface effects of a doped thin film made of a strongly correlated material are investigated both in the absence and presence of a perpendicular electric field. We use an inhomogen…
Electrical field induced shift of the Mott Metal-Insulator transition in thin films
D. Nasr Esfahani, L. Covaci, F. M. Peeters
The ground state properties of a paramagnetic Mott insulator are investigated in the presence of an external electrical field using the inhomogeneous Gutzwiller approximation for a…