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American Physical Society, Physical Review Letters, 19(86), p. 4378-4381, 2001

DOI: 10.1103/physrevlett.86.4378

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Creep of superconducting vortices in the limit of vanishing temperature: A fingerprint of off-equilibrium dynamics

Journal article published in 2000 by Mario Nicodemi ORCID, Henrik Jeldtoft Jensen
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We theoretically study the creep of vortex matter in superconductors. The low temperatures experimental phenomenology, previously interpreted in terms of ``quantum tunnelling'' of vortices, is reproduced by Monte Carlo simulations of a purely ``classical'' vortex model. We demonstrate that a non-zero creep rate in the limit of vanishing temperature is to be expected in systems with slow relaxations as a consequence of their off-equilibrium evolution in a complex free energy landscape. ; Comment: extended references, published version