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Molecular dynamics simulation studies of driven vortex systems in the presence of a transverse force

Molecular dynamics simulation studies of driven vortex systems in the presence of a transverse force
Molecular dynamics simulation studies of driven vortex systems in the presence of a transverse force
We have modelled the 2d vortex state in superconductors numerically using Langevin dynamics. A dynamical phase diagram is obtained for a random pinning potential. We find a moving Bragg glass phase and for stronger pinning a moving transverse glass, in addition to pinned states and different kinds of plastic flow. We find that for both moving-glass phases transverse periodicity is maintained. Thus, in both moving glass phases a critical transverse force has been found. We study the critical transverse force as a function of pinning strength and temperature. Our results support the theory of Giamarchi and Le Doussal.
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Cox, Simon J.
0e62aaed-24ad-4a74-b996-f606e40e5c55
de Groot, Peter A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Cox, Simon J.
0e62aaed-24ad-4a74-b996-f606e40e5c55
de Groot, Peter A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d

Fangohr, Hans, Cox, Simon J. and de Groot, Peter A.J. (2000) Molecular dynamics simulation studies of driven vortex systems in the presence of a transverse force.

Record type: Other

Abstract

We have modelled the 2d vortex state in superconductors numerically using Langevin dynamics. A dynamical phase diagram is obtained for a random pinning potential. We find a moving Bragg glass phase and for stronger pinning a moving transverse glass, in addition to pinned states and different kinds of plastic flow. We find that for both moving-glass phases transverse periodicity is maintained. Thus, in both moving glass phases a critical transverse force has been found. We study the critical transverse force as a function of pinning strength and temperature. Our results support the theory of Giamarchi and Le Doussal.

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More information

Published date: February 2000
Additional Information: Poster presentation, International Workshop on MICROSCOPIC STRUCTURE AND DYNAMICS OF VORTICES IN UNCONVENTIONAL SUPERCONDUCTORS AND SUPERFLUIDS Organisation: Max-Planck Institut fuer Physik komplexer Systeme, Dresden, Germany.
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 252729
URI: https://eprints.soton.ac.uk/id/eprint/252729
PURE UUID: cb92ea8d-c0a4-43bf-8370-d8cac76ebdbd

Catalogue record

Date deposited: 26 Aug 2001
Last modified: 24 Jul 2017 16:42

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