Andreev Reflection in the Fractional Quantum Hall State

Andreev Reflection in the Fractional Quantum Hall State

We construct high-quality graphene-based van der Waals devices with narrow superconducting niobium nitride (NbN) electrodes, in which superconductivity and a robust fractional quantum Hall (FQH) state coexist. We find a possible signature for crossed Andreev reflection (CAR) across the superconducto...

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Bibliographic Details
Main Authors:	Önder Gül, Yuval Ronen, Si Young Lee, Hassan Shapourian, Jonathan Zauberman, Young Hee Lee, Kenji Watanabe, Takashi Taniguchi, Ashvin Vishwanath, Amir Yacoby, Philip Kim
Format:	Article
Language:	English
Published:	American Physical Society 2022-06-01
Series:	Physical Review X
Online Access:	http://doi.org/10.1103/PhysRevX.12.021057

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