Time-resolved ARPES studies of quantum materials
Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …
the binding energy and the momentum of valence electrons in solids, provides unparalleled …
Directly visualizing the momentum-forbidden dark excitons and their dynamics in atomically thin semiconductors
Resolving momentum degrees of freedom of excitons, which are electron-hole pairs bound
by the Coulomb attraction in a photoexcited semiconductor, has remained an elusive goal …
by the Coulomb attraction in a photoexcited semiconductor, has remained an elusive goal …
Hot electron relaxation dynamics in semiconductors: assessing the strength of the electron–phonon coupling from the theoretical and experimental viewpoints
J Sjakste, K Tanimura, G Barbarino… - Journal of Physics …, 2018 - iopscience.iop.org
The rapid development of the computational methods based on density functional theory, on
the one hand, and of time-, energy-, and momentum-resolved spectroscopy, on the other …
the one hand, and of time-, energy-, and momentum-resolved spectroscopy, on the other …
Experimental measurement of the intrinsic excitonic wave function
An exciton, a two-body composite quasiparticle formed of an electron and hole, is a
fundamental optical excitation in condensed matter systems. Since its discovery nearly a …
fundamental optical excitation in condensed matter systems. Since its discovery nearly a …
Momentum-Resolved Observation of Exciton Formation Dynamics in Monolayer WS2
The dynamics of momentum-dark exciton formation in transition metal dichalcogenides is
difficult to measure experimentally, as many momentum-indirect exciton states are not …
difficult to measure experimentally, as many momentum-indirect exciton states are not …
Direct measurement of key exciton properties: Energy, dynamics, and spatial distribution of the wave function
Excitons, Coulomb‐bound electron–hole pairs, are the fundamental excitations governing
the optoelectronic properties of semiconductors. Although optical signatures of excitons …
the optoelectronic properties of semiconductors. Although optical signatures of excitons …
Time-domain observation of interlayer exciton formation and thermalization in a MoSe2/WSe2 heterostructure
Vertical heterostructures of transition metal dichalcogenides (TMDs) host interlayer excitons
with electrons and holes residing in different layers. With respect to their intralayer …
with electrons and holes residing in different layers. With respect to their intralayer …
Ab Initio Calculations of Ultrashort Carrier Dynamics in Two-Dimensional Materials: Valley Depolarization in Single-Layer WSe2
In single-layer WSe2, a paradigmatic semiconducting transition metal dichalcogenide, a
circularly polarized laser field can selectively excite electronic transitions in one of the …
circularly polarized laser field can selectively excite electronic transitions in one of the …
Theory of exciton dynamics in time-resolved ARPES: Intra-and intervalley scattering in two-dimensional semiconductors
Time-and angle-resolved photoemission spectroscopy (trARPES) is a powerful
spectroscopic method to measure the ultrafast electron dynamics directly in momentum …
spectroscopic method to measure the ultrafast electron dynamics directly in momentum …
First-principles ultrafast exciton dynamics and time-domain spectroscopies: Dark-exciton mediated valley depolarization in monolayer
Calculations combining first-principles electron-phonon (e-ph) interactions with the
Boltzmann equation enable studies of ultrafast carrier and phonon dynamics. However, in …
Boltzmann equation enable studies of ultrafast carrier and phonon dynamics. However, in …