Dynamic signatures of driven vortex motion. Page: 4 of 19
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Procceedings of the Second Polish-US Conference on High Temperature Superconductivity
Wroclaw and Kudowa, August 17-21,1998
Dynamic Signatures of Driven Vortex Motion
G. W. Crabtree,l D. Lopez,l,* W. K. Kwok,1 A. M. Petrean,1,2
R. J. Olsson,1,3 H. Safar,4,* and L. M. Paulius.1,2
1Materials Science Division, Argonne National Laboratory, Argonne, IL 60439 USA
2Department of Physics, Western Michigan University, Kalamazoo, MI 49008 USA
3Department of Physics, Michigan State University, East Lansing, MI 48824 USA
4Department of Physics, University of Illinois at Chicago, Chicago, IL 60680 USA
Abstract
We probe the dynamic nature of driven vortex motion in superconductors with a new type of
transport experiment. An inhomogeneous Lorentz driving force is applied to the sample,
inducing vortex velocity gradients that distinguish the hydrodynamic motion of the vortex liquid
from the elastic and-plastic motion of the vortex solid. We observe elastic depinning of the
vortex lattice at the critical current, and shear induced plastic slip of the lattice at high Lorentz
force gradients.
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Crabtree, G. W.; Kwok, W. K.; Lopez, D.; Olsson, R. J.; Paulius, L. M.; Petrean, A. M. et al. Dynamic signatures of driven vortex motion., article, September 16, 1999; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc620335/m1/4/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.