Flux-Modulated Andreev Current Caused by Electronic Interference

H. Pothier; S. Guéron; D. Esteve; M. H. Devoret

doi:10.1103/PhysRevLett.73.2488

← Back to search

Flux-Modulated Andreev Current Caused by Electronic Interference

H. Pothier, S. Guéron, D. Esteve, M. H. Devoret

DOI 10.1103/PhysRevLett.73.2488 · Physical Review Letters

T1

Active bibliographic source — not scientific approval

Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.

Abstract

We have performed an interference experiment with two tunnel junctions between a thin normal metal wire and a superconducting fork. We have found that the subgap current is strongly modulated by the flux through the resulting normal-superconducting loop. Our results agree with the recent prediction that multiple tunnel attempts of electron pairs, which occur when electrons are confined near the junction, can add coherently if the pair consists of nearly time-reversed states.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Al Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown