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Title: 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
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):
???metadata.dc.identifier.doi???: 10.1088/1367-2630/9/10/366
Citation: New Journal of Physics, 9 (366), 2007
Appears in Collections:(IMM-CNM) Artículos

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