Van der Waals heterostructures are synthetic quantum materials composed of stacks of
atomically thin two-dimensional (2D) layers. Because the electrons in the atomically thin 2D …

Moiré superlattices in twisted van der Waals materials have recently emerged as a
promising platform for engineering electronic and optical properties. A major obstacle to fully …

Interactions between quasiparticles are of fundamental importance and ultimately determine
the macroscopic properties of quantum matter. A famous example is the phenomenon of …

Layered materials can possess valleys that are indistinguishable from one another except
for their momentum. These valleys are individually addressable in momentum space at the K …

Indications of coherently interacting excitons and trions in doped transition metal
dichalcogenides have been measured as quantum beats in two-dimensional electronic …

Valley-dependent excitation and emission in transition metal dichalcogenides (TMDCs)
have recently emerged as a new avenue for optical data manipulation, quantum optical …

Tight-binding (TB) models exploited in calculating band structure of monolayer transition-
metal dichalcogenides (TMDCs), namely MX 2 (M= Mo and W; X= S, Se and Te), can be …

The electron-hole exchange interaction is a fundamental mechanism that drives valley
depolarization via intervalley exciton hop** in semiconductor multivalley systems. Here …

The valley pseudospin at the K and K′ high-symmetry points in monolayer transition metal
dichalcogenides (TMDs) has potential as an optically addressable degree of freedom in next …

The hot carrier cooling dynamics in the C-excitonic state of monolayer MoS2 is slowed down
by the hot phonon bottleneck and Auger heating effects, as exploited by ultrafast transient …