Gate tunable edge magnetoplasmon resonators - Archive ouverte HAL
Article Dans Une Revue Communications Physics Année : 2024

Gate tunable edge magnetoplasmon resonators

Ulf Gennser
Inès Safi

Résumé

Quantum Hall systems are platforms of choice to study topological properties of condensed matter systems and anyonic exchange statistics. In this work we have developed a tunable radiofrequency edge magnetoplasmonic resonator controlled by both the magnetic field and a set of electrostatic gates, meant to serve as a versatile platform for future interferometric devices designed to evidence non-abelian anyons. In our device, gates allow us to change both the size of the resonant cavity and the electronic density of the two-dimensional electron gas. We show that we can continuously control the frequency response of our resonator, making it possible to develop an edge magnetoplasmon interferometer. As we reach smaller sizes of our resonator, finite size effects caused by the measurement probes manifest. In the future, such device will be a valuable tool to investigate the properties of non-abelian anyons in the fractional quantum Hall regime.
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hal-04714310 , version 1 (30-09-2024)

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Elric Frigerio, Giacomo Rebora, Mélanie Ruelle, Hubert Souquet-Basiège, Yong Jin, et al.. Gate tunable edge magnetoplasmon resonators. Communications Physics, 2024, 7 (1), pp.314. ⟨10.1038/s42005-024-01803-6⟩. ⟨hal-04714310⟩
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