Rui Pu
;
Naomi Mizuno
;
Fernando Camino
;
Runchen Li
;
Kenji Watanabe
(National Institute for Materials Science)
;
Takashi Taniguchi
(National Institute for Materials Science)
;
Dmitri Averin
;
Xu Du
Collection
Citation
Description:
(abstract)Quantum Hall systems host quasiparticles demonstrating correlated electron physics and non- trivial quantum statistics. While physics of separate quasiparticles has been extensively explored, realizing quantum states of multiple quasiparticles remains challenging. Here, employing the approach of quantum Hall antidot with two different edge channels, we demonstrate localization and electrical tuning of individual quantum Hall excitons, which represent a quantum-coherent bound state of an electron and a hole situated on their corresponding edges and coupled through tunneling and Coulomb interaction. Quantum superposition of vacuum- and electron-hole pairing states is observed through the gate-dependent tunneling conductance of the antidot. A theoretical model is established which shows semi-quantitative agreement with experimental observations. This work opens avenues for creating quantum systems of multiple quantum Hall quasiparticles.
Rights:
Keyword: quantum Hall antidot , individual exciton , quantum-coherent dynamics
Date published: 2025-11-24
Publisher: Springer Science and Business Media LLC
Journal:
- Nature Communications (ISSN: 20411723) vol. 16 issue. 1 10375
Funding:
- National Science Foundation DMR-2104781
- DOE | LDRD | Brookhaven National Laboratory DESC0012704
Manuscript type: Publisher's version (Version of record)
MDR DOI:
First published URL: https://doi.org/10.1038/s41467-025-65369-9
Related item:
Other identifier(s):
Contact agent:
Updated at: 2026-04-03 11:27:03 +0900
Published on MDR: 2026-04-03 12:26:46 +0900
| Filename | Size | |||
|---|---|---|---|---|
| Filename |
s41467-025-65369-9.pdf
(Thumbnail)
application/pdf |
Size | 1.51 MB | Detail |