An important goal of modern condensed-matter physics involves the search for states of
matter with emergent properties and desirable functionalities. Although the tools for material …

Recent progress in utilizing ultrafast light-matter interaction to control the macroscopic
properties of quantum materials is reviewed. Particular emphasis is placed on photoinduced …

Light–matter interaction in 2D and topological materials provides a fascinating control knob
for inducing emergent, non-equilibrium properties and achieving new functionalities in the …

The advent of pump-probe spectroscopy techniques paved the way to the exploration of
ultrafast dynamics of electrons and phonons in crystalline solids. Following photo-absorption …

Quantum geometry has been identified as an important ingredient for the physics of
quantum materials and especially of flat-band systems, such as moiré materials. On the …

Van der Waals (vdW) materials at their 2D limit are diverse, flexible, and unique laboratories
to study fundamental quantum phenomena and their future applications. Their novel …

Twisted bilayer graphene at the magic twist angle features flat energy bands, which lead to
superconductivity and strong correlation physics. These unique properties are typically …

Spin-polarized samples and spin mixtures of quantum degenerate fermionic atoms are
prepared in selected excited Bloch bands of an optical checkerboard square lattice. For the …

We investigate a class of periodically driven many-body systems that allows us to extend the
phenomenon of prethermalization to the vicinity of isolated intermediate-to-low drive …

We experimentally elucidate the origin of the anomalous Hall conductivity in a three-
dimensional Dirac semimetal, Cd 3 As 2, driven by circularly polarized light. Using time …