Article (Scientific journals)
Speed limit to the Abrikosov lattice in mesoscopic superconductors
Grimaldi, Gaia; Leo, Antonio; Sabatino, P. et al.
2015In Physical Review. B, Condensed Matter, 92, p. 024513
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Keywords :
mesoscopic superconductors; Larkin-Ovchinnikov instability; vortex dynamics
Abstract :
[en] We study the instability of the superconducting state in a mesoscopic geometry for the low pinning material Mo3Ge characterized by a large Ginzburg-Landau parameter. We observe that in the current driven switching to the normal state from a nonlinear region of the Abrikosov flux flow, the mean critical vortex velocity reaches a limiting maximum velocity as a function of the applied magnetic fi eld. Based on time dependent Ginzburg-Landau simulations we argue that the observed behavior is owed to the high velocity vortex dynamics confi ned on a mesoscopic scale. We build up a general phase diagram which includes all possible dynamic confi gurations of Abrikosov lattice in a mesoscopic superconductor.
Disciplines :
Physics
Author, co-author :
Grimaldi, Gaia;  CNR SPIN Salerno, via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
Leo, Antonio;  CNR SPIN Salerno, via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
Sabatino, P.;  CNR SPIN Salerno, via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
Carapella, G.;  CNR SPIN Salerno, via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
Nigro, Angela;  CNR SPIN Salerno, via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
Pace, Sandro;  CNR SPIN Salerno, via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
Moshchalkov, Victor V.;  Katholieke Universiteit Leuven - KUL
Silhanek, Alejandro  ;  Université de Liège > Département de physique > Physique expérimentale des matériaux nanostructurés
Language :
English
Title :
Speed limit to the Abrikosov lattice in mesoscopic superconductors
Publication date :
30 July 2015
Journal title :
Physical Review. B, Condensed Matter
ISSN :
0163-1829
eISSN :
1095-3795
Publisher :
American Institute of Physics, New York, United States - New York
Volume :
92
Pages :
024513
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 24 July 2015

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