Bulletin of the American Physical Society
2024 APS March Meeting
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session F17: Anyons in the Fractional Quantum Hall Effect
8:00 AM–10:48 AM,
Tuesday, March 5, 2024
Room: M100H
Sponsoring
Unit:
DCMP
Chair: Zezhu Wei, Brown University
Abstract: F17.00009 : Fractional quantum Hall Fabry-Pérot edge-state interferometry in graphene
9:36 AM–9:48 AM
Presenter:
Noah L Samuelson
(University of California, Santa Barbara)
Authors:
Noah L Samuelson
(University of California, Santa Barbara)
Liam A Cohen
(University of California, Santa Barbara)
Will Wang
(University of California, Los Angeles)
Simon Blanch
(University of California, Santa Barbara)
Taige Wang
(University of California, Berkeley)
Takashi Taniguchi
(National Institute for Materials Science)
Kenji Watanabe
(National Institute for Materials Science)
Michael P Zalatel
(University of California, Berkeley)
Andrea F Young
(University of California, Santa Barbara)
Here, we report robust, high-visibility Aharonov-Bohm dominated edge state Fabry-Pérot interference in the FQH regime. Our devices consist of small-area (less than 1 μm2) all-van der Waals-gate-defined interferometers. We present our findings on the effects of Coulomb interactions, bulk-edge coupling, and the interplay between charge fluctuations and anyon statistics on the observed interference patterns.
[1] Nakamura et. al. Nature Physics 16, 931–936 (2020)
[2] Ronen et. al. Nature Nanotech. 16, 563–569 (2021)
[3] Deprez et. al. Nature Nanotech. 16, 555–562 (2021)
[4] Zhao et. al. Nano Lett. 2022, 22, 23, 9645–9651 (2022)
[5] Fu et. al. Nano Lett. 2023, 23, 2, 718–725 (2023)
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