Vortex dynamics in two-dimensional systems at high driving forces

Fangohr, Hans, Cox, Simon J. and Groot, Peter A.J. de (2001) Vortex dynamics in two-dimensional systems at high driving forces. Physical Review B., 64, (6), 064505.


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We study numerically the dynamics of two-dimensional vortex systems at zero temperature. In addition to pinned states and turbulent plastic flow, we find motion of vortices in rough channels along the direction of the driving force. In this decoupled channel regime we demonstrate how topological defects mediate the phase slip of different channels moving with different velocities. We thus provide important confirmation of recent analytical work describing vortex dynamics at high driving forces such as the moving glass theory of Giamarchi and Le Doussal. For the largest driving forces we find that the channels couple and observe elastic motion.

Item Type: Article
Additional Information: preprint available at http://arXiv.org/abs/cond-mat/0104455 Address: New York
Divisions : Faculty of Physical Sciences and Engineering > Electronics and Computer Science
ePrint ID: 255755
Accepted Date and Publication Date:
Date Deposited: 23 Aug 2001
Last Modified: 31 Mar 2016 13:55
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/255755

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