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Off-equilibrium magnetic properties in a model of repulsive particles for vortices in superconductors

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, , Citation Mario Nicodemi and Henrik Jeldtoft Jensen 2001 J. Phys. A: Math. Gen. 34 L11 DOI 10.1088/0305-4470/34/3/101

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1 Department of Mathematics, Imperial College, 180 Queen's Gate, London SW7 2BZ, UK

Dates

  1. Received 5 July 2000

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0305-4470/34/3/L11

Abstract

We study the properties of a simple lattice model of repulsive particles diffusing in a pinning landscape. The behaviour of the model is very similar to the observed physics of vortices in superconductors. We compare and discuss the equilibrium phase diagram, creep dynamics, Bean critical state profiles, hysteresis of magnetization loops (including the second peak feature) and, in particular, `ageing' in relaxations.

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