activity
20112024
most citedPhase Diagram of the Half-Filled Ionic Hubbard Model

25 citations · 81 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.mtrl-sci2024

Tuning the electronic and magnetic properties of NiBr via pressure

Soumen Bag, Jesse Kapeghian, Onur Erten +1

Transition metal dihalides (MX, M= transition metal, X= halide) have attracted much attention recently due to their intriguing low-dimensional magnetic properties. Particular f…

cond-mat.str-el2024★ 12 cited

Electronic correlations, layer distinction, and electron doping in the alternating single-layer trilayer LaNiO polymorph

Harrison LaBollita, Soumen Bag, Jesse Kapeghian +1

We employ a density-functional theory plus dynamical mean-field theory framework to investigate the correlated electronic structure of the alternating single-layer trilayer (1313)…

cond-mat.mtrl-sci2023★ 11 cited

Magnetoresistance anomaly during the electrical triggering of a metal-insulator transition

Pavel Salev, Lorenzo Fratino, Dayne Sasaki +4

Phase separation naturally occurs in a variety of magnetic materials and it often has a major impact on both electric and magnetotransport properties. In resistive switching system…

cond-mat.mtrl-sci2023★ 1 cited

Characteristic lengthscales of the electrically-induced insulator-to-metal transition

Theodor Luibrand, Adrien Bercher, Rodolfo Rocco +16

Some correlated materials display an insulator-to-metal transition as the temperature is increased. In most cases this transition can also be induced electrically, resulting in vol…

cond-mat.str-el2019★ 6 cited

Correlation driven metallic and half-metallic phases in a band insulator

Soumen Bag, Arti Garg, H. R. Krishnamurthy

We demonstrate, using dynamical mean-field theory with the hybridization expansion continuous time quantum montecarlo impurity solver, a rich phase diagram with {\em correlation dr…

cond-mat.str-el2019★ 13 cited

Is there a superconducting phase in the half-filled ionic Hubbard model ?

Anwesha Chattopadhyay, Soumen Bag, H. R. Krishnamurthy +1

We investigate the ionic Hubbard model (IHM) at half-filling in the limit of strong correlations and large ionic potential. The low energy effective Hamiltonian in this limit, obta…