Excitons in twisted van der Waals bilayers: Internal structure and ultrafast dynamics
Paper in proceeding, 2020
By probing internal 1s-2p transitions with phaselocked mid-infrared pulses, we reveal the internal structure and binding energy of photo-generated excitons in transition metal dichalcogenide bilayers. Furthermore, we trace how the twist angle precisely controls the ultrafast formation of interlayer excitons and tunes excitonic hybridization in hetero- and homobilayers, respectively.
Author
Fabian Mooshammer
University of Regensburg
Philipp Merkl
University of Regensburg
Simon Ovesen
Chalmers, Physics, Condensed Matter Theory
Samuel Brem
Chalmers, Physics, Condensed Matter Theory
Anna Girnghuber
University of Regensburg
Kai-Qiang Lin
University of Regensburg
Marlene Liebich
University of Regensburg
Chaw-Keong Yong
University of Regensburg
Rolang Gillen
University of Erlangen-Nuremberg (FAU)
Janina Maultzsch
University of Erlangen-Nuremberg (FAU)
John M. Lupton
University of Regensburg
Ermin Malic
Chalmers, Physics, Condensed Matter Theory
Rupert Huber
University of Regensburg
2020 45TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)
2162-2027 (ISSN)
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
Buffalo, NY, USA,
Buffalo, NY, USA,
Subject Categories (SSIF 2011)
Physical Chemistry
Atom and Molecular Physics and Optics
Other Physics Topics
DOI
10.1109/IRMMW-THZ46771.2020.9370984