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Topological superconductivity

A way to cross the Andreev bridge

Inducing superconductivity in quantum anomalous Hall insulators is crucial to realize topological superconductors. Now a study shows superconducting correlations in the quantum anomalous Hall state, which can convert electrons on its one-way path into holes.

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Fig. 1: Experimental geometry and crossed Andreev conversion.

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Correspondence to Jing Wang.

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Wang, J., Liu, Z. A way to cross the Andreev bridge. Nat. Phys. (2024). https://doi.org/10.1038/s41567-024-02575-0

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