Lecture
Vortex motion: Superconducting electronics
In course
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Description
This lecture discusses the dynamics of flux vortices in superconductors, focusing on the impact of vortex motion on resistance and the possibility of restoring zero resistance. The instructor presents simulations and analyses of vortex speeds and the creation of voltage opposing current, emphasizing the behavior of type-II superconductors under high magnetic fields. Various aspects of Bardeen-Stephen flux flow and the steady state of vortices are explored, highlighting the challenges and strategies to achieve practically zero resistance in superconducting materials.
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