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Properties of Vortex Configurations in Two-Band Mesoscopic Superconductors With Josphson Coupling: The Ginzburg–Landau Theory

Properties of Vortex Configurations in Two-Band Mesoscopic Superconductors With Josphson... Using a finite element method to numerically solve the time-dependent two-band Ginzburg–Landau model whereby setting the temperature T close to the critical temperature Tc, we studied the properties of vortex configurations of the mesoscopic two-band superconducting squares. Our analysis takes into account the relationship between the model parameters and microscopic material parameters. Especially, we analyze the effect of Fermi velocities on the vortex states in the mesoscopic two-band superconducting squares. From the simulation results, we observed four types of vortex regions in the magnetization curve for the systems, which could help to understand and detect the vortex states in mesoscopic two-band superconductors. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Low Temperature Physics Springer Journals

Properties of Vortex Configurations in Two-Band Mesoscopic Superconductors With Josphson Coupling: The Ginzburg–Landau Theory

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Publisher
Springer Journals
Copyright
Copyright © Springer Science+Business Media, LLC, part of Springer Nature 2021
ISSN
0022-2291
eISSN
1573-7357
DOI
10.1007/s10909-020-02551-x
Publisher site
See Article on Publisher Site

Abstract

Using a finite element method to numerically solve the time-dependent two-band Ginzburg–Landau model whereby setting the temperature T close to the critical temperature Tc, we studied the properties of vortex configurations of the mesoscopic two-band superconducting squares. Our analysis takes into account the relationship between the model parameters and microscopic material parameters. Especially, we analyze the effect of Fermi velocities on the vortex states in the mesoscopic two-band superconducting squares. From the simulation results, we observed four types of vortex regions in the magnetization curve for the systems, which could help to understand and detect the vortex states in mesoscopic two-band superconductors.

Journal

Journal of Low Temperature Physics – Springer Journals

Published: Jan 4, 2021

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