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Current crowding effects in nanostructured superconductors
Silhanek, Alejandro
2013Workshop on Vortex Matter in Nanostructured Superconductors Vortex VIII
 

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Keywords :
superconductivity
Abstract :
[en] When current stream lines are forced to depart from their rectilinear trajectory due to the presence of an obstacle, they conglomerate at the sharp bends encountered on their path. The consequent current crowding is present in normal metals as well as in superconductors and has been recently recognized as an important factor limiting the performance of superconducting single-photon detectors, leading to vortex motion rectification, and being a source of unwanted ratchet signal. In this talk we will show that in nanostructured superconductors at low temperatures, current crowding can also trigger abrupt flux avalanches developing well defined geometrical patterns.
Disciplines :
Physics
Author, co-author :
Silhanek, Alejandro  ;  Université de Liège - ULiège > Département de physique > Physique de la matière condensée
Language :
English
Title :
Current crowding effects in nanostructured superconductors
Publication date :
September 2013
Event name :
Workshop on Vortex Matter in Nanostructured Superconductors Vortex VIII
Event organizer :
Victor Moshchalkov
Event place :
Rhodes, Greece
Event date :
Septembre 2013
By request :
Yes
Audience :
International
Available on ORBi :
since 11 March 2014

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