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Recent studies show superconductivity provides new perspectives onspintronics. We study a heterostructure composed of an s-wave superconductorand a cubic chiral-magnet that can stabilize a topological spin texture, askyrmion. We propose a supercurrent-induced spin torque that originates fromthe spin-orbit coupling, and we show that the spin torque can drive a skyrmionin an efficient way that reduces Joule heating. We also study the bandstructure of Bogoliubov quasiparticles and show the existence of Weyl points,whose positions can be controlled by the direction of the magnetization. Thisresults in an effective magnetic field acting on the quasiparticles in thepresence spin textures. Furthermore, the tilt of the Weyl cones can also betuned by the strength of the spin-orbit coupling, and we propose a possiblerealization of type-II Weyl points.

Supercurrent-induced Skyrmion dynamics and Tunable Weyl points in Chiral Magnet with Superconductivity