Magnetic Properties of a Superconductor with no Inversion Symmetry

Magnetic Properties of a Superconductor with no Inversion Symmetry
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无反演对称性的超导体的磁特性

DOI:
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发表时间:
2005
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通讯作者:
S. Yip
S. Yip
中科院分区:
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文献类型:
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作者:
S. Yip

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摘要我们研究了晶体中超导体的磁特性 $$z 右行-z$$对称性,特别是这种对称性的缺失是如何表现出来的。我们发现,尽管穿透深度本身没有这种影响,但对于合适的磁场取向,界面上存在一个磁场不连续,这表明这种对称性是不存在的。在x-−-y平面上,涡旋的磁场分布与普通各向异性超导体的磁场分布在一个小参数上是相同的。 $$ilde{k}$$。对于沿z方向的涡旋,沿径向存在感应磁化。
AbstractWe study the magnetic properties of a superconductor in a crystal without $$z ightarrow -z$$ symmetry, in particular how the lack of this symmetry exhibits itself. We show that, though the penetration depth itself shows no such effect, for suitable orientation of magnetic field, there is a magnetic field discontinuity at the interface which shows this absence of symmetry. The magnetic field profile of a vortex in the x − y plane is shown to be identical to that of an ordinary anisotropic superconductor to second order in a small parameter $$ ilde{k}$$. For a vortex along z, there is an induced magnetization along the radial direction.