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 …

Immediately after the discovery of high temperature superconductivity in the cuprates in
1987, properties in the metallic state above T c were discovered that violated the reigning …

Intertwining quantum order and non-trivial topology is at the frontier of condensed matter
physics,,–. A charge-density-wave-like order with orbital currents has been proposed for …

Superconductors with kagome lattices have been identified for over 40 years, with a
superconducting transition temperature T c up to 7 K. Recently, certain kagome …

The concept that superconductivity competes with other orders in cuprate superconductors
has become increasingly apparent, but obtaining direct evidence with bulk-sensitive probes …

Using circularly polarized light to control quantum matter is a highly intriguing topic in
physics, chemistry and biology. Previous studies have demonstrated helicity-dependent …

Abstract Magneto-optical (MO) effects, viz. magnetically induced changes in light intensity or
polarization upon reflection from or transmission through a magnetic sample, were …

A long-standing controversial issue in the quest to understand the superconductivity in
cuprates is the nature of the enigmatic pseudogap region of the phase diagram. Especially …

The spectral energy gap is an important signature that defines states of quantum matter:
insulators, density waves and superconductors have very different gap structures. The …

Doped Mott insulators exhibit some of the most intriguing quantum phases of matter,
including quantum spin liquids, unconventional superconductors and non-Fermi liquid …