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Updated: Jan 24, 2026
06:27
Fabrication of Magnetic Nanostructures on Silicon Nitride Membranes for Magnetic Vortex Studies Using Transmission Microscopy Techniques
Published on: July 2, 2018
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Objective magnetic vortex detection
Erico L Rempel1,2, Tiago F P Gomes2, Suzana S A Silva1
1Institute of Aeronautical Technology (ITA), World Institute for Space Environment Research (WISER), São José dos Campos, São Paulo 12228-900, Brazil.
Physical Review. E
|May 22, 2019
Summary
A new method accurately detects magnetic vortices and flux ropes in space plasma turbulence. This objective technique, based on integrated averaged current deviation, works in 2D and 3D magnetohydrodynamic simulations.
Area of Science:
- Space Physics
- Astrophysical Plasmas
- Magnetohydrodynamics
Background:
- Magnetic coherent vortical structures are common in space and astrophysical plasmas.
- Understanding plasma turbulence requires effective detection of these structures.
Purpose of the Study:
- To explore a recently developed method for detecting magnetic vortices.
- To validate the method's objectivity and accuracy in simulations.
Main Methods:
- Utilized two- and three-dimensional magnetohydrodynamic (MHD) simulations.
- Applied the integrated averaged current deviation method.
- Verified objectivity through invariance under observer rotations and translations.
Main Results:
- The integrated averaged current deviation method proved to be objective.
- Accurately detected the boundaries of magnetic vortices in 2D simulations.
- Successfully identified magnetic flux ropes in 3D simulations.
Conclusions:
- The integrated averaged current deviation is a reliable tool for detecting magnetic vortices and flux ropes.
- This method enhances the study of turbulence in space and astrophysical plasmas.
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