Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …

Layered transition metal dichalcogenides (TMDs) are a diverse group of materials whose
properties vary from semiconducting to metallic with a variety of many body phenomena …

Valley degrees of freedom in transition metal dichalcogenides thoroughly influence electron–
phonon coupling and its nonequilibrium dynamics. We conducted a first-principles study of …

The coupled nonequilibrium dynamics of electrons and phonons in monolayer MoS2 is
investigated by combining first-principles calculations of the electron–phonon and phonon …

Transition-metal dichalcogenide monolayers and heterostructures are highly tunable
material systems that provide excellent models for physical phenomena at the two …

In recent years, the stacking and twisting of atom-thin structures with matching crystal
symmetry has provided a unique way to create new superlattice structures in which new …

By enabling control of valley degrees of freedom in transition-metal dichalcogenides, valley-
selective circular dichroism has become a key concept in valleytronics. Herein, we show that …

Using time-and angle-resolved photoemission, we present momentum-and energy-resolved
measurements of exciton coupling in monolayer WS 2. We observe strong intravalley …

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 …

Circular dichroism (CD) is generally observed in the optically active chiral molecules that
originate from macroscopic electric and magnetic dipoles, which is usually quite small. In …