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Evidence for Flat Band Dirac Superconductor Originating from Quantum Geometry
Haidong Tian, Shi Che, Tianyi Xu +7
In a flat band superconductor, the charge carriers' group velocity vF is extremely slow, quenching their kinetic energy. The emergence of superconductivity thus appears paradoxical…
Helical superconducting edge modes from pseudo-Landau levels in graphene
Daniel Sabsovich, Marc W. Bockrath, Kirill Shtengel +1
We explore Andreev states at the interface of graphene and a superconductor for a uniform pseudo-magnetic field. Near the zeroth-pseudo Landau level, we find a topological transiti…
Quantum Phase Slips in Superconducting Nanowires
C. N. Lau, N. Markovic, M. Bockrath +2
We have measured the resistance vs. temperature of more than 20 superconducting nanowires with nominal widths ranging from 10 to 22 nm and lengths from 100 nm to 1050 nm. With decr…