On the absence of phonon bottleneck in lead selenide quantum dot
The 22nd International Conference on Ultrafast Phenomena 2020 (2020), paper Tu4A.40（2020）
Abstract
We observed the ultrafast lattice dynamic in lead selenide (PbSe) quantum dots using ul-trafast electron diffraction. The electron-phonon coupling time constant is about 10 ps, showing no sign of phonon bottleneck.
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Key words
phonon bottleneck,quantum
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