Proximity-Effect Driven Reversibility in Superconducting Constrictions - Archive ouverte HAL Accéder directement au contenu
Pré-Publication, Document De Travail Année : 2014

Proximity-Effect Driven Reversibility in Superconducting Constrictions

Résumé

We demonstrate the role of proximity effect in the thermal hysteresis of superconducting con-strictions. From the analysis of successive thermal instabilities in the transport characteristics of micron-size superconducting quantum interference devices with a well-controlled geometry, we ob-tain a complete picture of the different thermal regimes. These determine whether the junctions are hysteretic or not. Below the superconductor critical temperature, the critical current switches from a classical weak-link behavior to one driven by the proximity effect. The associated small amplitude of the critical current makes it robust with respect to the heat generation by phase-slips, leading to a non-hysteretic behavior.
Fichier principal
Vignette du fichier
1411.7196v1.pdf (952.48 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-01090069 , version 1 (02-12-2014)

Identifiants

Citer

Nikhil Kumar, Thierry Fournier, Hervé Courtois, Clemens Winkelmann, A. K. Gupta. Proximity-Effect Driven Reversibility in Superconducting Constrictions. 2014. ⟨hal-01090069⟩

Relations

Collections

UGA CNRS NEEL ANR
169 Consultations
48 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More