Resistively shunted superconducting quantum point contacts
D. V. Averin, A. Bardas, H. T. Imam
DOI 10.1103/PhysRevB.58.11165 · Physical Review B
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Abstract
We have studied the Josephson dynamics of resistively shunted ballistic superconducting quantum point contacts at finite temperatures and arbitrary number of conducting modes. Compared to the classical Josephson dynamics of tunnel junctions, the dynamics of quantum point contacts exhibits several new features associated with temporal fluctuations of the Josephson potential caused by fluctuations in the occupation of the current-carrying Andreev levels.
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