The Hubbard model is the simplest model of interacting fermions on a lattice and is of similar
importance to correlated electron physics as the Ising model is to statistical mechanics or the …

The discovery of high-temperature superconductivity in the copper oxides in 1986 triggered
a huge amount of innovative scientific inquiry. In the almost three decades since, much has …

Geometrical frustration in strongly correlated systems can give rise to a plethora of novel
ordered states and intriguing magnetic phases, such as quantum spin liquids,–. Promising …

Computational models are an essential tool for the design, characterization, and discovery
of novel materials. Computationally hard tasks in materials science stretch the limits of …

The Hubbard model is widely believed to contain the essential ingredients of high-
temperature superconductivity. However, proving definitively that the model supports …

The discovery of high-T c superconductivity (SC) in La 3 Ni 2 O 7 (LNO) has aroused a great
deal of interest. Previously, it was proposed that the Ni-3 dz 2 orbital is crucial to realize the …

The structures, the phase diagrams, and the appearance of a neutron resonance signaling
an unconventional superconducting state provide phenomenological evidence relating the …

The recent observation of superconductivity in hole-doped NdNiO 2 has generated
considerable attention. The similarities and differences between this infinite-layer nickelates …

Terahertz-frequency optical pulses can resonantly drive selected vibrational modes in solids
and deform their crystal structures,,. In complex oxides, this method has been used to melt …

This article reviews the physics of high-temperature superconductors from the point of view
of the do** of a Mott insulator. The basic electronic structure of cuprates is reviewed …