In disordered QAH-superconductor junctions, a single chiral edge mode keeps perfect zero-bias transmission, while multiple chiral modes or an added metallic mode produce strong Andreev conversion and vanishing charge transmission.
A Note on Half-quantized Conductance Plateau of Chiral Majorana in Quantum Anomalous Hall Insulator and Superconductor Structures
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abstract
This is a short note presenting a repeated experiment of the half-quantized transport signature given by Majorana chiral modes living in a heterostructure formed by an s-wave superconductor and a quantum-anomalous-Hall insulator.
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cond-mat.supr-con 1years
2019 1verdicts
CONDITIONAL 1representative citing papers
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Disordered Quantum Transport in Quantum Anomalous Hall Insulator-Superconductor Junctions
In disordered QAH-superconductor junctions, a single chiral edge mode keeps perfect zero-bias transmission, while multiple chiral modes or an added metallic mode produce strong Andreev conversion and vanishing charge transmission.