Environment-induced overheating phenomena in Au-nanowire based Josephson junctions
Olga V. SkryabinaInstitute of Solid State Physics RAS, Chernogolovka, Russia, 142432. [email protected]S. V. BakurskiyDukhov Research Institute of Automatics (VNIIA), Moscow, Russia, 127055A. Yu. ShishkinDukhov Research Institute of Automatics (VNIIA), Moscow, Russia, 127055Alexey A. KlimenkoDepartment of Materials Science, MSU, Moscow, Russia, 119991Kirill S. NapolskiiDepartment of Chemistry, MSU, Moscow, Russia, 119991N. V. KlenovDukhov Research Institute of Automatics (VNIIA), Moscow, Russia, 127055I. I. SolovievDukhov Research Institute of Automatics (VNIIA), Moscow, Russia, 127055V. V. RyazanovInstitute of Solid State Physics RAS, Chernogolovka, Russia, 142432A. A. GolubovFaculty of Science and Technology, MESA+ Institute of Nanotechnology, 7500 AE, Enschede, The NetherlandsDimitri RoditchevLaboratoire de Physique et d'Etude des Materiaux, LPEM, UMR-8213, ESPCI-Paris, PSL, CNRS, Sorbonne University, 75005, Paris, FranceM. Yu. KupriyanovV. S. StolyarovDukhov Research Institute of Automatics (VNIIA), Moscow, Russia, 127055
ABI
Abstract
Unlike conventional planar Josephson junctions, nanowire-based devices have a bridge geometry with a peculiar coupling to environment that can favor non-equilibrium electronic phenomena. Here we measure the influence of the electron bath overheating on critical current of several bridge-like junctions built on a single Au-nanowire. Using the Usadel theory and applying the two-fluid description for the normal and superconducting components of the flowing currents, we reveal and explain the mutual influence of the neighbouring junctions on their characteristics through various processes of the electron gas overheating. Our results provide additional ways to control nanowire-based superconducting devices.
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