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Attosecond kinetics of photoexcited Germanium
Published Web Location
https://doi.org/10.1364/cleo_qels.2017.fm1d.4Abstract
Attosecond transient reflectivity is developed to observe the photoexcitation dynamics in germanium. Attosecond time-resolved measurements of the dielectric function reveal a fewfemtosecond collective electronic response time, which renormalizes the Coulomb interaction between the excited carriers.
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