Quantum tunneling of vortices in the Tl2CaBa2Cu2O8 superconductor
J. Tejada, E. M. Chudnovsky, A. García
DOI 10.1103/PhysRevB.47.11552 · Physical Review B
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Abstract
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.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Tl2CaBa2Cu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 108 | Pressure not reported | onset |
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