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Pis'ma v Zh. Èksper. Teoret. Fiz., 2018, Volume 108, Issue 2, Pages 99–102 (Mi jetpl5626)  

CONDENSED MATTER

Effect of quantum jumpers on the critical supercurrent in dirty S-I-S junctions

V. Ya. Kirpichenkov, N. V. Kirprchenkova, O. I. Lozin, A. A. Pukhlova

South Russian State Polytechnic University, Novocherkassk, Russia

Abstract: It has been shown that the presence of narrowband quantum jumpers in “dirty” (low concentrations of identical nonmagnetic impurities in the insulator (I) layer) S-I-S (S is a superconductor) junctions at the temperature $T=0$ significantly reduces the critical supercurrent (Josephson current) as compared to the value given by the known the Ambegaokar–Baratoff relation. The performed estimates have shown the possibility of the experimental manifestation of this effect.

DOI: https://doi.org/10.1134/S0370274X18140060

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English version:
Journal of Experimental and Theoretical Physics Letters, 2018, 108:2, 112–115

Bibliographic databases:

Document Type: Article
Received: 15.06.2018

Citation: V. Ya. Kirpichenkov, N. V. Kirprchenkova, O. I. Lozin, A. A. Pukhlova, “Effect of quantum jumpers on the critical supercurrent in dirty S-I-S junctions”, Pis'ma v Zh. Èksper. Teoret. Fiz., 108:2 (2018), 99–102; JETP Letters, 108:2 (2018), 112–115

Citation in format AMSBIB
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\paper Effect of quantum jumpers on the critical supercurrent in dirty S-I-S junctions
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