Irreversible Dynamics of Abrikosov Vortices in Type-two Superconductors
S. Pace, G. Filatrella, G.Grimaldi, A. Nigro
TL;DR
This paper investigates the irreversible dynamics of Abrikosov vortices in type-II superconductors, modeling their interactions with defects to explain voltage shifts observed experimentally.
Contribution
It introduces an effective law of vortex motion incorporating irreversible vortex-defect interactions, aligning theoretical predictions with experimental data.
Findings
The model explains the voltage shift RfIc in flux flow.
The current-voltage characteristic matches experimental observations.
Irreversible vortex-defect interactions are key to understanding vortex dynamics.
Abstract
The voltage shift RfIc with respect to the flux flow ohmic behavior of the current-voltage characteristic in type II superconductors is ascribed to the irreversible processes occurring when a vortex crosses defects. We include irreversible effects of the vortices-defects interaction into an effective law of motion. The obtained current-voltage characteristic at finite temperature is in agreement with experimental data.
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