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Accueil du site > Manipulation of Andreev bound states in proximity Josephson junctions

I will report on measurements of the current-phase relation (CPR) in diffusive Nb/Ag/Nb-Josephson junctions in and out of thermodynamic equilibrium. Rf-excitation of the junction leads to higher harmonics in the CPR, which can be explained by a non-equibrium occupation of the ABS. In a second experiment, I will discuss Andreev reflection from a moving condensate in ballisitc Nb/InAs/Nb Josephson junctions, which has profound effects on both the Andreev reflection probabilities and the proximity-induced supercurrent.

 

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