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Evidence of vortex jamming in Abrikosov vortex flux flow regime
Karapetrov, G Yefremenko, V Mihajlović, G Pearson, JE Iavarone, M Novosad, V Bader, SD
Karapetrov, G
Yefremenko, V
Mihajlović, G
Pearson, JE
Iavarone, M
Novosad, V
Bader, SD
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Journal Article
Date
2012-08-30
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10.1103/PhysRevB.86.054524
Abstract
We report on dynamics of nonlocal Abrikosov vortex flow in mesoscopic superconducting Nb channels. Magnetic field dependence of the nonlocal voltage induced by the flux flow shows that vortices form ordered vortex chains. Voltage asymmetry (rectification) with respect to the direction of vortex flow is evidence that vortex jamming strongly moderates vortex dynamics in mesoscopic geometries. The findings can be applied to superconducting devices exploiting vortex dynamics and vortex manipulation, including superconducting wires with engineered pinning centers. © 2012 American Physical Society.
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Physical Review B - Condensed Matter and Materials Physics
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