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Computational modelling of high temperature superconductors

Computational modelling of high temperature superconductors
Computational modelling of high temperature superconductors
We are performing Monte-Carlo and Molecular Dynamics simulations of the vortex state in high temperature superconductors using parallel computers. The model for these highly anisotropic cuprate materials consists of a stack of two-dimensional layers in which point-like vortex pancakes interact with each other. Both in-plane vortex-vortex and multi-layer three/four body interactions are included. By varying the temperature and imposed field we study the fundamental behaviour of the vortex lines in the material. We also investigate the effects of pinning centres, which correspond to oxygen vacancies. Our overall aim is to determine the phase diagram of the superconductor numerically and compare this with experimental results.
Price, A.R.
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Fangohr, H.
85b3e5ba-77d2-4c68-908a-5e18122f232d
Cox, S.J.
0e62aaed-24ad-4a74-b996-f606e40e5c55
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Price, A.R.
1460bc09-a75b-4212-b1bd-ec3cb6d0e314
Fangohr, H.
85b3e5ba-77d2-4c68-908a-5e18122f232d
Cox, S.J.
0e62aaed-24ad-4a74-b996-f606e40e5c55
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d

Price, A.R., Fangohr, H., Cox, S.J. and de Groot, P.A.J. (1999) Computational modelling of high temperature superconductors.

Record type: Other

Abstract

We are performing Monte-Carlo and Molecular Dynamics simulations of the vortex state in high temperature superconductors using parallel computers. The model for these highly anisotropic cuprate materials consists of a stack of two-dimensional layers in which point-like vortex pancakes interact with each other. Both in-plane vortex-vortex and multi-layer three/four body interactions are included. By varying the temperature and imposed field we study the fundamental behaviour of the vortex lines in the material. We also investigate the effects of pinning centres, which correspond to oxygen vacancies. Our overall aim is to determine the phase diagram of the superconductor numerically and compare this with experimental results.

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More information

Published date: March 1999
Additional Information: Organisation: Superconductivity Group Annual Conference (Institute of Physics), Birmingham.
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 251704
URI: http://eprints.soton.ac.uk/id/eprint/251704
PURE UUID: 4ada1a52-de11-4cfc-a544-051ddea4b12d

Catalogue record

Date deposited: 17 May 2000
Last modified: 22 Sep 2020 16:41

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Contributors

Author: A.R. Price
Author: H. Fangohr
Author: S.J. Cox
Author: P.A.J. de Groot

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