Influence of twin structure on flux turbulence near the front of vortex annihilation
L.S. Uspenskaya, I.G. Naumenko, A.A. Zhokhov
TL;DR
This study investigates how twin structures in YBCO crystals affect flux turbulence during vortex annihilation, revealing the role of the Meissner hole in turbulence development.
Contribution
It demonstrates the influence of twin structures on flux behavior and identifies the Meissner hole as a precursor to turbulence in YBCO crystals.
Findings
Twinned and twin-less samples show different flux front behaviors.
The Meissner hole is a necessary precursor to turbulence.
Twin structures significantly affect vortex dynamics.
Abstract
The remagnetization of YBCO single crystals is studied by magneto-optical technique. Different behavior of the annihilation flux front in twinned and twin-less samples is observed. The specific induction distribution, called Meissner hole, is found to be necessary forerunner of turbulence development.
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