在双带超导体中由本征近邻效应产生的 1.5 型超导态。
Type-1.5 superconducting state from an intrinsic proximity effect in two-band superconductors.
机构信息
Department of Theoretical Physics, The Royal Institute of Technology, Stockholm, SE-10691 Sweden.
出版信息
Phys Rev Lett. 2010 Aug 6;105(6):067003. doi: 10.1103/PhysRevLett.105.067003. Epub 2010 Aug 5.
Abstract
We show that in multiband superconductors, even an extremely small interband proximity effect can lead to a qualitative change in the interaction potential between superconducting vortices by producing long-range intervortex attraction. This type of vortex interaction results in an unusual response to low magnetic fields leading to phase separation into domains of two-component Meissner states and vortex droplets.
摘要
我们表明，在多带超导体中，即使是极微小的能带间近邻效应也可以通过产生长程的超涡旋吸引，导致超导涡旋相互作用势的定性变化。这种类型的涡旋相互作用导致了对低磁场的异常响应，导致了两相迈斯纳态和涡旋液滴的分相。
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