Tunneling of a Quantized Vortex: Roles of Pinning and Dissipation
Ping Ao, David J. Thouless
Abstract
We have performed a theoretical study of the effects of pinning potential and dissipation on vortex tunneling in superconductors. Analytical results are obtained in various limits relevant to experiment. In general we have found that pinning and dissipation tend to suppress the effect of the vortex velocity dependent part of the Magnus force on vortex tunneling.
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