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Conveyor belts for magnetic flux quanta

The successful demonstration that magnetic flux lines in a superconductor can be moved by time-dependent drives instead of spatially asymmetric structures suggests a versatile new approach to control the motion of nanoscale objects.

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Figure 1: Moving vortices.
Figure 2: 'Conveyor belt' motion in a superconductor.


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Tonomura, A. Conveyor belts for magnetic flux quanta. Nature Mater 5, 257–258 (2006).

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