Measurement of the current-phase relation of superconducting atomic contacts

B. Huard (QUANTRONICS); C. Urbina (QUANTRONICS); D. Esteve (QUANTRONICS); H. Pothier (QUANTRONICS); M. Chauvin (QUANTRONICS); M.L. Della Rocca (QUANTRONICS)

arxiv: 0708.0515 · v2 · pith:DGFLD63Bnew · submitted 2007-08-03 · ❄️ cond-mat.mes-hall

Measurement of the current-phase relation of superconducting atomic contacts

M.L. Della Rocca (QUANTRONICS) , M. Chauvin (QUANTRONICS) , B. Huard (QUANTRONICS) , H. Pothier (QUANTRONICS) , D. Esteve (QUANTRONICS) , C. Urbina (QUANTRONICS) This is my paper

classification ❄️ cond-mat.mes-hall

keywords atomiccontactcurrent-phaserelationsuperconductingagreementcalculatedchannels

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We have probed the current-phase relation of an atomic contact placed with a tunnel junction in a small superconducting loop. The measurements are in quantitative agreement with the predictions of a resistively shunted SQUID model in which the Josephson coupling of the contact is calculated using the independently determined transmissions of its conduction channels.

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Measurement of the current-phase relation of superconducting atomic contacts

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