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Quantum tunneling of vortices in the Tl2CaBa2Cu2O8 superconductor
Tejada Palacios, Javier; Chudnovsky, Eugene M., 1948-; García Santiago, Antoni
Universitat de Barcelona
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.
Efecte túnel
Relaxació (Física nuclear)
Tunneling (Physics)
(c) The American Physical Society, 1993
The American Physical Society

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