Vortex Collisions: Crossing or Recombination?

We investigate the collision of two vortex lines moving with viscous dynamics and driven towards each other by an applied current. Using London theory in the approach phase we observe a non-trivial vortex conformation producing anti-parallel segments; their attractive interaction triggers a violent...

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Bibliographic Details
Published in:arXiv.org 2001-01
Main Authors: Bou-Diab, Malek, Dodgson, Matthew J W, Blatter, Gianni
Format: Article
Language:English
Subjects:
Landau-Ginzburg equations
Segments
Time dependence
Vortices
Online Access:Get full text
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Summary:We investigate the collision of two vortex lines moving with viscous dynamics and driven towards each other by an applied current. Using London theory in the approach phase we observe a non-trivial vortex conformation producing anti-parallel segments; their attractive interaction triggers a violent collision. The collision region is analyzed using the time-dependent Ginzburg-Landau equation. While we find vortices will always recombine through exchange of segments, a crossing channel appears naturally through a double collision process.
ISSN:2331-8422
DOI:10.48550/arxiv.0012328