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Open Access item Lattice effects and current reversal in superconducting ratchets

Authors:Dinis, L.
González, E. M.
Anguita, José Virgilio
Parrondo, J. M. R.
Vicent, J. L.
Keywords:Superconductivity, Statistical Mechanics
Issue Date:18-Sep-2007
Publisher:Institute of Physics Publishing
Deutsche Physikalische Gesellschaft
Citation:New Journal of Physics, 9 (366), 2007
Abstract:Competition between the vortex lattice and a lattice of asymmetric artificial defects is shown to play a crucial role in ratchet experiments in superconducting films. We present a novel and collective mechanism for current reversal based on a reconfiguration of the vortex lattice. In contrast to previous models of vortex current reversal, the mechanism is based on the global response of the vortex lattice to external forces.
Description:13 pages, 7 figures
Publisher version (URL):http://dx.doi.org/10.1088/1367-2630/9/10/366
URI:http://hdl.handle.net/10261/2812
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Appears in Collections:(IMM-CNM) Artículos

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