Graphene-based Josephson Triode

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Abstract

There has been a growing interest to the materials with broken time-reversal and inversion symmetry, which can support non-reciprocal superconducting currents [1]. This search for an intrinsic superconducting diode has so far resulted in devices that typically show a few percent difference between the magnitudes of the supercurrent flowing in the positive and negative directions. We show that required time-reversal symmetry breaking can be achieved in multiterminal Josephson junctions [2], resulting in supercurrent rectification approaching 100%.

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Scholars@Duke

Finkelstein

Gleb Finkelstein

Professor of Physics

Gleb Finkelstein is an experimentalist interested in physics of quantum nanostructures, such as Josephson junctions and quantum dots made of carbon nanotubes, graphene, and topological materials. These objects reveal a variety of interesting electronic properties that may form a basis for future quantum devices.


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