A quantum-metric-enabled supercurrent carried by interface states can make the critical current rise while the normal-state conductance falls in flat-band twisted bilayer graphene junctions.
Datta, Electronic Transport in Mesoscopic Systems, Cambridge Studies in Semiconductor Physics and Mi- croelectronic Engineering (Cambridge University Press, New York, 1995)
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Quantum Metric Induced Critical Current Anomaly in Flat Band Josephson Junctions
A quantum-metric-enabled supercurrent carried by interface states can make the critical current rise while the normal-state conductance falls in flat-band twisted bilayer graphene junctions.