Dynamics of Fractional Vortices in Two-Band Superconductors

A. O. Pokusinskyi$^{1}$, A. L. Kasatkin$^{2}$

$^{1}$Taras Shevchenko National University of Kyiv, 60 Volodymyrska Str., UA-01033 Kyiv, Ukraine
$^{2}$G. V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03142 Kyiv, Ukraine

Received: 10.10.2021. Download: PDF

The interaction of fractional vortices with each other in the two-band superconductor is considered, and for the first time the possibility of dissociation of the composite Abrikosov vortices with a whole quantum of magnetic flux into the fractional components under the influence of microwave electromagnetic field is argued. Numerical calculations are performed in order to identify the threshold of such dissociation as a function of the amplitude and frequency of microwave current.

Key words: Abrikosov vortex, multiband superconductors, magnetic flux quantum, Ginzburg–Landau equations, London free energy.

URL: https://mfint.imp.kiev.ua/en/abstract/v44/i01/0009.html

DOI: https://doi.org/10.15407/mfint.44.01.0009

PACS: 74.20.De, 74.25.Jb, 74.25.Qt, 74.25.Wx, 74.70.Ad

Citation: A. O. Pokusinskyi and A. L. Kasatkin, Dynamics of Fractional Vortices in Two-Band Superconductors, Metallofiz. Noveishie Tekhnol., 44, No. 1: 9—17 (2022)

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