Critical transverse forces in weakly pinned driven vortex systems
Critical transverse forces in weakly pinned driven vortex systems
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.
64501
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
de Groot, Peter A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Cox, Simon J.
0e62aaed-24ad-4a74-b996-f606e40e5c55
2001
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
de Groot, Peter A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Cox, Simon J.
0e62aaed-24ad-4a74-b996-f606e40e5c55
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), .
(doi:10.1103/PhysRevB.63.064501).
Abstract
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.
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fang_01.pdf
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Published date: 2001
Additional Information:
Preprint available at http://arXiv.org/abs/cond-mat/0005263
Organisations:
Electronics & Computer Science
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Local EPrints ID: 253338
URI: http://eprints.soton.ac.uk/id/eprint/253338
ISSN: 1550-235X
PURE UUID: a20f8253-0a20-493b-ae6a-6b9e50acadfb
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Date deposited: 08 Aug 2001
Last modified: 15 Mar 2024 03:03
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Author:
Peter A.J. de Groot
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