Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5496289 | Physics Letters A | 2017 | 7 Pages |
Abstract
Using finite gap, time-dependent Ginzburg-Landau equations, generalized to include non-thermal phonons, we report numerical simulations of vortex nucleation, propagation, and annihilation in thin, finite strips of magnetic-impurity free, perfectly homogeneous superconductors. When a steady electric current passes through the strip with either surface defects or nonequilibrium phonon sources (e.g., local “hotspots”), periodic vortex generation and annihilation is observed even in the absence of external magnetic fields. Local pulses of electric field are produced upon annihilation. The injected phonon lines steer the vortices during their motion within the strip, potentially allowing control of the annihilation site.
Related Topics
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Authors
Ellen D. Gulian, Gurgen G. Melkonyan, Armen M. Gulian,