First-principles ultrafast exciton dynamics and time-domain spectroscopies: Dark-exciton mediated valley depolarization in monolayer WSe_{2}

First-principles ultrafast exciton dynamics and time-domain spectroscopies: Dark-exciton mediated valley depolarization in monolayer WSe_{2}

Calculations combining first-principles electron-phonon (e-ph) interactions with the Boltzmann equation enable studies of ultrafast carrier and phonon dynamics. However, in materials with weak Coulomb screening, electrons and holes form bound excitons so their scattering processes become correlated,...

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Bibliographic Details
Main Authors: Hsiao-Yi Chen, Davide Sangalli, Marco Bernardi
Format: Article
Language:English
Published: American Physical Society 2022-12-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.4.043203

Internet

http://doi.org/10.1103/PhysRevResearch.4.043203

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