Critical transverse forces in weakly pinned driven vortex systems
Fangohr, Hans, de Groot, Peter A.J. and Cox, Simon J. (2001) Critical transverse forces in weakly pinned driven vortex systems. Physical Review B, 63, (6), 064501-[5pp]. (doi:10.1103/PhysRevB.63.064501).
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We present simulation results of the moving Bragg glass régime of a driven two-dimensional vortex system in the presence of a smoothly varying weak pinning potential. We study the critical transverse force and (i) demonstrate that it can be an order of magnitude larger than previous estimates and (ii) show that it is still observable when the system is driven along low higher-order lattice vectors. We confirm theoretical predictions that the critical transverse force is the order parameter of the so-called moving glass phase, and provide data to support experimentalists verifying the existence of a critical transverse force.
|Subjects:||Q Science > QC Physics|
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences
University Structure - Pre August 2011 > School of Electronics and Computer Science
University Structure - Pre August 2011 > School of Physics and Astronomy
|Date Deposited:||20 Mar 2006|
|Last Modified:||27 Mar 2014 18:11|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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