Model $I$--$V$ curves and figures of merit of underdamped deterministic Josephson ratchets

Model $I$--$V$ curves and figures of merit of underdamped deterministic Josephson ratchets

Phys. Rev. E 94, 032203 (2016) We propose simple models for the current-voltage characteristics of typical Josephson ratchets. We consider the case of a ratchet working against a constant applied counter force and derive analytical expressions for the key characteristics of such a ratchet: rectifica...

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Hauptverfasser: Goldobin, E, Menditto, R, Koelle, D, Kleiner, R
Format: Artikel
Sprache:eng
Schlagworte:
Physics - Mesoscale and Nanoscale Physics
Physics - Superconductivity
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Zusammenfassung:Phys. Rev. E 94, 032203 (2016) We propose simple models for the current-voltage characteristics of typical Josephson ratchets. We consider the case of a ratchet working against a constant applied counter force and derive analytical expressions for the key characteristics of such a ratchet: rectification curve, stopping force, input and output powers and rectification efficiency. Optimization of the ratchet performance is discussed.
DOI:10.48550/arxiv.1606.07371