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Threading dislocation lines in two-sided flux-array decorations
Miguel López, María del Carmen; Kardar, M.
Universitat de Barcelona
Two-sided flux decoration experiments indicate that threading dislocation lines (TDLs), which cross the entire film, are sometimes trapped in metastable states. We calculate the elastic energy associated with the meanderings of a TDL. The TDL behaves as an anisotropic and dispersive string with thermal fluctuations largely along its Burgers vector. These fluctuations also modify the structure factor of the vortex solid. Both effects can, in principle, be used to estimate the elastic moduli of the material.
04-05-2010
Superconductivitat
Constitució de la matèria
Superconductivity
Constitution of matter
(c) The American Physical Society, 1997
Artículo
The American Physical Society
         

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