Journal
PHYSICAL REVIEW B
Volume 75, Issue 14, Pages -Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.75.140511
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The electromagnetostatic Aharonov-Bohm effect is proposed as a tool to realize a fully controllable Josephson pi junction. Both the sign and the magnitude of the supercurrent can be tuned in a ring-shaped ballistic normal region coupled to superconducting electrodes by varying the magnetic flux and the electric field around suitable values. We provide a theoretical description of the system within the scattering matrix theory and discuss its implementation in a realistic setup.
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