Abstract
We consider a number of effects due to the interplay of superconductivity, electromagnetism, and elasticity, which are unique for thin membranes of layered chiral superconductors. Some of them should be within the reach of present technology, and could be useful for characterizing materials. More speculatively, the enriched control of Josephson junctions they afford might find useful applications.
Highlights
In this Letter, we study various phenomena in thin films of chiral superconductors that depend on the geometry of the sample
This allows us to study the electromagnetic response of a time-dependent geometry and reveals a more subtle ac geometric Josephson effect that occurs when rotating a flat geometry
We describe two devices that utilize the interplay between chiral superconductivity and elasticity in an ultrathin film, where λL ≫ d0
Summary
We consider a number of effects due to the interplay of superconductivity, electromagnetism, and elasticity, which are unique for thin membranes of layered chiral superconductors. Effects of the background geometry on paired 2D phases of matter have been studied earlier, both for thin films of Helium III [10] and for p-wave superconductors [11,12,13]. In this Letter, we shall extend the analysis to the temporal regime Perhaps surprisingly, this allows us to study the electromagnetic response of a time-dependent (spatial) geometry and reveals a more subtle ac geometric Josephson effect that occurs when rotating a flat geometry. Superconductivity, electromagnetism, and elasticity.— The order parameter of a chiral p-wave superconductor is a complex vector defined in the tangent plane of a surpfacffiffie. It can be written as Ψ 1⁄4 ψεÆ,where εÆ 1⁄4 ðe Æ ie2Þ= 2 are
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