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Creating Weyl nodes and controlling their energy by magnetization rotation
The authors propose that in magnetic Weyl semimetals the orientation of the magnetization can serve as a clean and in-situ approach to tune the energy of the Weyl nodes to the Fermi surface. Density-functional calculations in Co${}_{3}$Sn${}_{2}$S${}_{2}$ show that rotation of the magnetization away from the easy-axis leads to creation …