Scaling behavior of local magnetic relaxation in high-temperature superconductors

Scaling behavior of local magnetic relaxation in high-temperature superconductors

The local magnetic relaxation in superconducting slab is investigated numerically for Anderson-Kim model, U(j) = U c(1 − j j c ) and periodic potential. The relaxation of B( x, t) depends on the initial condition and the position x. B( x, t) tends to a asymptote independent of x for long time. The a...

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Veröffentlicht in:Solid state communications 1997, Vol.103 (10), p.563-566
Hauptverfasser: Wei, C.D., Du, S.F.
Format: Artikel
Sprache:eng
Schlagworte:
A. high- Tc superconductors
A. superconductors
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cuprates superconductors (high tc and insulating parent compounds)
D. flux pinning and creep
Exact sciences and technology
High-Tc compounds
Magnetic properties
Physics
Properties of type I and type II superconductors
Superconductivity
Vortex lattices ,flux pinning, flux creep
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Zusammenfassung:The local magnetic relaxation in superconducting slab is investigated numerically for Anderson-Kim model, U(j) = U c(1 − j j c ) and periodic potential. The relaxation of B( x, t) depends on the initial condition and the position x. B( x, t) tends to a asymptote independent of x for long time. The approximate scaling law of the relaxation of B( x, t) for some initial magnetic induction profile shows that the relaxation rate is roughly uniform over the sample.
ISSN:0038-1098
1879-2766
DOI:10.1016/S0038-1098(97)00255-X