Resonant Josephson current through a quantum dot

C.W.J. Beenakker , H. van Houten

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classification ❄️ cond-mat.mes-hall

keywords currentjosephsonquantumresonancebarriersbreit-wignercalculateconductance

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We calculate the DC Josephson current through a semiconducting quantum dot which is weakly coupled by tunnel barriers to two superconducting reservoirs. A Breit-Wigner resonance in the conductance corresponds to a resonance in the critical current, but with a different (non-lorentzian) lineshape.

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Resonant Josephson current through a quantum dot

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