The interaction of excitons with lattice vibrations underlies the scattering from bright to dark
excitons as well as the coherent modulation of the exciton energy. Unlike the former …

The properties of excitons, or correlated electron–hole pairs, are of paramount importance to
optoelectronic applications of materials. A central component of exciton physics is the …

Spin relaxation, dephasing, and diffusion are at the heart of spin-based information
technology. Accurate theoretical approaches to simulate spin lifetimes (τs), determining how …

Hexagonal boron nitride (hBN) is a wide band gap material with both strong excitonic light
emission in the ultraviolet and strong exciton-phonon coupling. Luminescence experiments …

Coupling of excitations, arising from electronic correlation or electron-phonon interaction,
leads to intriguing effects on the spectra of materials. Current approximations to calculate …

Starting from the ab initio many-body theory of electrons and phonons, we go through a
series of well defined simplifications to derive a set of coupled equations of motion for the …

Understanding the processes governing the dissociation of excitons to free charge carriers
in semiconductors and insulators is of central importance for photovoltaic applications …

The ultrafast conversion of coherent excitons into incoherent excitons, as well as the
subsequent exciton diffusion and thermalization, are central topics in current scientific …

Heterostructures of layered transition metal dichalcogenides (TMDs) host long-lived, tunable
excitons, making them intriguing candidates for material-based quantum information …

We demonstrate the possibility of engineering the optical properties of transition metal
dichalcogenide heterobilayers when one of the constitutive layers has a Janus structure. We …