Flux flow and pinning of the vortex sheet structure in a two-component superconductor
Yasushi Matsunaga, Masanori Ichioka, Kazushige Machida
TL;DR
This study uses time-dependent Ginzburg-Landau simulations to analyze vortex dynamics, flux flow, and pinning phenomena in two-component superconductors like PrOs4Sb12, revealing domain wall behavior and vortex emission mechanisms.
Contribution
It introduces a detailed simulation of vortex behavior in two-component superconductors, highlighting domain wall trapping and vortex emission processes.
Findings
Domain wall traps half flux-quantum vortices
Vortex sheet moves with flux flow
Vortex emission occurs from vortex sheet during pinning
Abstract
A simulation study using the time-dependent Ginzburg-Landau theory is performed for the vortex state in two-component superconductors, such as PrOs_4_Sb_12_. We investigate the flux flow and the pinning of the vortex sheet structure. We find domain wall that traps half flux-quantum vortices and moves with the flux flow. In the pinning case, we observe an emitting process of a conventional vortex from the vortex sheet by combining a pair of half flux-quantum vortices.
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