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arXiv 1701.04458cond-mat.supr-con
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p波超导体表面电流的可观测性

Observability of surface currents in p-wave superconductors

S. V. Bakurskiy, N. V. Klenov, I. I. Soloviev, M. Yu. Kupriyanov, A. A. Golubov

摘要:

本文给出了描述手征p波超导体中自发表面电流分布的一般方法。我们使用准经典的Eilenberger形式主义的Ricatti参数化来描述各种类型的超导体表面,包括任意粗糙度和金属行为的表面层。我们计算了自发表面电流的角分辨分布,并给出了它们的可观测性条件。我们认为,这些电流的局部测量muSR技术可以提供一个信息的基础配对对称性的大块超导体。

英文摘要:

A general approach is formulated to describe spontaneous surface current distribution in a chiral p-wave superconductor. We use the quasiclassical Eilenberger formalism in the Ricatti parametrization to describe various types of the superconductor surface, including arbitrary roughness and metallic behaviour of the surface layer. We calculate angle resolved distributions of the spontaneous surface currents and formulate the conditions of their observability. We argue that local measurements of these currents by muSR technique may provide an information on the underlying pairing symmetry in the bulk superconductor.

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