The Effect of Anisotropy on Vortex Lattice Structure and Flux Flow in d-Wave Superconductors

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We describe effects of anisotropy caused by the crystal lattice in d-wave superconductors using effective free energy approach in which only one order parameter, the d-wave order parameter field, is used. All the effects of rotational symmetry breaking, including that of the s-wave mixing, can be parametrized by a single four derivative term. We find solutions for single vortex and the vortex lattice. Extending the formalism to include the time dependence, effects of anisotropy on moving vortex structure are calculated. Both direct and Hall I-V curves as functions of the angle between the current and the crystal lattice orientation are obtained.
11 pages, 1 figure, submitted to Phys. Rev. Lett

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Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/151756

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9704116
 http://arxiv.org/abs/cond-mat/9704116

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arXiv