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A tunable Fabry-Pérot quantum Hall interferometer in graphene

Similar to optical waves, electrons can also interfer, but they require high-quality devices with minimal scattering for an experimental observation of this effect. An interferometer based on a single sheet of graphene provides an alternative to the more standard semiconductor devices and may in future enable access to exotic quantum effects, such as anyon braiding.

Corentin Déprez, Louis Veyrat, Hadrien Vignaud, Goutham Nayak, Kenji Watanabe, Takashi Taniguchi, Frédéric Gay, Hermann Sellier, et Benjamin Sacépé

Nature Nanotechnology (published: 25 February 2021)

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