We outline a general mechanism for orbital-selective Mott transition, the coexistence of both
itinerant and localized conduction electrons, and show how it can take place in a wide range …

We generalize the rotationally invariant formulation of the slave-boson formalism to
multiorbital models, with arbitrary interactions, crystal fields, and multiplet structure. This …

Quantum phase transitions in metals are often accompanied by violations of Fermi liquid
behavior in the quantum critical regime. Particularly fascinating are transitions beyond the …

Since the discovery of superconductivity in infinite-layer nickelates RNiO 2 (R= La, Pr, Nd),
great research efforts have been made to unveil its underlying superconducting mechanism …

We review a representation of Hubbard-like models that is based on auxiliary pseudospin
variables. These pseudospins refer to the local charge modulo two in the original model and …

We study the electronic structure and superconductivity in a CuO 2 monolayer grown
recently on the d-wave cuprate superconductor Bi 2 Sr 2 CaCu 2 O 8+ δ. Density functional …

We investigate the electronic physics of layered Ni-based trichalcogenide NiPX 3 (X= S, Se),
a member of transition metal trichalcogenides (TMTs) with the chemical formula ABX 3 …

The bilayer structure of recently discovered high-temperature superconducting nickelates La
$ _3 $ Ni $ _2 $ O $ _7 $ provides a new platform for investigating correlation and …

We analyze the paramagnetic state of a two-band Hubbard model with finite Hund's
coupling close to integer filling at n= 2 in two spacial dimensions. Previously, a Mott metal …

The interaction between itinerant and Mott localized electronic states in strongly correlated
materials is studied within dynamical mean field theory in combination with the numerical …