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Quantum tunneling of vortices in the Tl2CaBa2Cu2O8 superconductor

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Magnetic-relaxation measurements of a Tl-based high-Tc superconductor show temperature-independent flux creep below 6 K. The effect is analyzed in terms of the overdamped quantum diffusion of two-dimensional vortices. Good agreement between theory and experiment is found.

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Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.47.11552

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Articles publicats en revistes (Física de la Matèria Condensada)

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Quantum tunneling of vortices in the Tl2CaBa2Cu2O8 superconductor