Flowing Out Like Endless Rain

Flowing Out Like Endless Rain



Lior Embon, Yonathan Anahory, Yuri Myasoedov, Michael L. Rappaport, Martin E. Huber and Eli Zeldov, Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot


Magnetic vortices in a superconducting lead film as imaged by the scanning SQUID-on-tip microscope. All four images were taken at a temperature of 4.2 Kelvin and show the same area of 12 x 12 μm2 in which the film was shaped as an hour-glass. The images show the behavior of "vortex matter" at different densities. Electric current which is applied through the film exerts a force on these quantum entities and they start "flowing" across the film from the bottom upwards forming beautiful channels which resemble the flow of rivers or the branching of a tree.

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