Majorana-Josephson Interferometer
Chang-An Li, Jian Li, Shun-Qing Shen

TL;DR
This paper proposes a Majorana-Josephson interferometer using a quantum anomalous Hall bar with a Josephson junction, enabling the observation of interference patterns that demonstrate quantum coherent Majorana transport.
Contribution
It introduces a novel interferometer design for chiral Majorana modes that combines Josephson junctions with quantum anomalous Hall systems for enhanced characterization.
Findings
Interference patterns depend on Josephson phase and junction length.
The setup enables detection of quantum coherent Majorana transport.
Provides a new tool for topological superconductor systems.
Abstract
We propose an interferometer for chiral Majorana modes where the interference effect is caused and controlled by a Josephson junction of proximity-induced topological superconductors, hence, a Majorana-Josephson interferometer. This interferometer is based on a two-terminal quantum anomalous Hall bar, and as such its transport observables exhibit interference patterns depending on both the Josephson phase and the junction length. Observing these interference patterns will establish quantum coherent Majorana transport and further provide a powerful characterization tool for the relevant system.
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