Stable skyrmion and antiskyrmion tubes with topological charge plus or minus one are predicted in rhombohedral barium titanate, and electric-field switching between them is demonstrated in simulations.
3(a) will already stabilize an antivortex texture as shown in Sup
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Switchable Skyrmion-Antiskyrmion Tubes in Rhombohedral BaTiO$_\mathrm{3}$ and Related Materials
Stable skyrmion and antiskyrmion tubes with topological charge plus or minus one are predicted in rhombohedral barium titanate, and electric-field switching between them is demonstrated in simulations.