Key properties of quantum materials stem from dynamic interaction chains that connect
stable electronic quasiparticles through short-lived coherences, which are difficult to control …

Two-dimensional group-VI transition metal dichalcogenide semiconductors, such as MoS2,
WSe2, and others, exhibit strong light-matter coupling and possess direct band gaps in the …

Atomically thin materials such as graphene and monolayer transition metal dichalcogenides
(TMDs) exhibit remarkable physical properties resulting from their reduced dimensionality …

Semiconductor technology is currently based on the manipulation of electronic charge;
however, electrons have additional degrees of freedom, such as spin and valley, that can be …

Correlated quantum phenomena in one-dimensional (1D) systems that exhibit competing
electronic and magnetic order are of strong interest for the study of fundamental interactions …

The rise of two-dimensional (2D) materials research took place following the isolation of
graphene in 2004. These new 2D materials include transition metal dichalcogenides, mono …

We presentk p· Hamiltonians parametrized byab initiodensity functional theory calculations
to describe the dispersion of the valence and conduction bands at their extrema (theK, Q, Γ …

As conventional electronics approaches its limits, nanoscience has urgently sought methods
of fast control of electrons at the fundamental quantum level. Lightwave electronics—the …

Control of the optical properties of matter on ultrashort timescales is of both fundamental
interest and central importance for applications in photonics. It is desirable to achieve …

We demonstrate continuous tuning of the exciton binding energy in monolayer WS 2 by
means of an externally applied voltage in a field-effect transistor device. Using optical …