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Probing the bright exciton state in twisted bilayer graphene via resonant Raman scattering
Matthew C. DeCapua, Yueh-Chun Wu, Takashi Taniguchi +2
The band structure of bilayer graphene is tunable by introducing a relative twist angle between the two layers, unlocking exotic phases, such as superconductor and Mott insulator,…
Long-lived populations of momentum- and spin-indirect excitons in monolayer WSe
Shao-Yu Chen, Maciej Pieczarka, Matthias Wurdack +6
Monolayer transition metal dichalcogenides are a promising platform to investigate many-body interactions of excitonic complexes. In monolayer tungsten diselenide, the ground-state…
Up- and Down-Conversion between Intra- and Inter-Valley Excitons in Waveguide Coupled Monolayer WSe2
Yueh-Chun Wu, Sarath Samudrala, Andrew McClung +4
The presence of two spin-split valleys in monolayer (1L) transition metal dichalcogenide (TMD) semiconductors supports versatile exciton species classified by their spin and valley…
Ground and Excited Exciton Polarons in Monolayer MoSe2
Thomas Goldstein, Yueh-Chun Wu, Shao-Yu Chen +4
Monolayer transition metal dichalcogenide semiconductors, with versatile experimentally accessible exciton species, offer an interesting platform for investigating the interaction…
Strong equilibration of Landau levels edge-states at the graphene edge
Son T. Le, Joseph A. Hagmann, Nikolai Klimov +4
We present the results of an experimental study of the interaction of quantized Landau level (LL) edge-states at the physical edge of graphene by using a graphene pn junction devic…
Luminescent emission of excited Rydberg excitons from monolayer WSe2
Shao-Yu Chen, Zhengguang Lu, Thomas Goldstein +11
We report the experimental observation of radiative recombination from Rydberg excitons in a two-dimensional semiconductor, monolayer WSe2, encapsulated in hexagonal boron nitride.…