Ginzburg-Landau theory of defects in d-wave superconductors
J. J. Vicente Alvarez, Gustavo C. Buscaglia, C. A. Balseiro
DOI 10.1103/PhysRevB.54.16168 · Physical Review B
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Abstract
We study the influence of defects on the structure of the order parameter for a dx2−y2 superconductor. Using a Ginzburg-Landau theory which couples the d-wave and s-wave components of the order parameter, we show that in the vicinity of defects there is an induced s-wave pairing that extends up to a length scale given by the coherence length. We present results for columnar defects along different directions, twin boundaries, and point defects. © 1996 The American Physical Society.
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