Single vortices observed as they enter NbSe₂
classification
❄️ cond-mat.supr-con
keywords
vorticesedgesingletheyacrossappliedbarrierbehaviour
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We observe single vortices as they penetrate the edge of a superconductor using a high-sensitivity magneto-optical microscope. The vortices leap across a gap near the edge, a distance that decreases with increasing applied field and sample thickness. This behaviour can be explained by the combined effect of the geometrical barrier and bulk pinning.
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