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Valley-selective chiral phonon replicas of dark excitons and trions in monolayer WSe_{2}

We observe a set of three replica luminescent peaks at ∼21.4 meV below the dark exciton, and negative and positive dark trions (or exciton polarons) in monolayer WSe_{2}. The replica redshift energy matches the energy of the zone-center E^{′′}-mode optical phonons. The phonon replicas exhibit a para...

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Bibliografiska uppgifter
Huvudupphov: Erfu Liu, Jeremiah van Baren, Takashi Taniguchi, Kenji Watanabe, Yia-Chung Chang, Chun Hung Lui
Materialtyp: Artigo
Språk:Inglês
Utgiven: American Physical Society 2019-10-01
Serie:Physical Review Research
Länkar:http://doi.org/10.1103/PhysRevResearch.1.032007
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