Vortex lattice structure in presence of an artificial periodic pinning array

The vortex patterns stabilized by the square array of artificial pinning sites with a tunable pinning strength are studied by using a phenomenological approach in the London limit. The transitions between pinned and deformed triangular lattices are analyzed as a function of the amplitude of vortex-p...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2004-05, Vol.404 (1), p.285-288
Main Authors: Pogosov, W.V., Moshchalkov, V.V.
Format: Article
Language:English
Subjects:
Artificial pinning arrays
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Pinning
Properties of type I and type II superconductors
Superconductivity
Vortex
Vortex lattices ,flux pinning, flux creep
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Summary:The vortex patterns stabilized by the square array of artificial pinning sites with a tunable pinning strength are studied by using a phenomenological approach in the London limit. The transitions between pinned and deformed triangular lattices are analyzed as a function of the amplitude of vortex-pinning site interaction and the length-scale characteristic of this interaction. The critical current and different phases of vortex lattice are studied in presence of external transport current.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2003.11.038