Figure 5: The evolution of Weyl nodes under the magnetic field. | Nature Communications

Figure 5: The evolution of Weyl nodes under the magnetic field.

From: Weyl magnons in breathing pyrochlore antiferromagnets

Figure 5

Applying a magnetic field along the global z direction, , Weyl nodes are shifted but still in kz=0 plane. They are annihilated at Γ when magnetic field is strong enough. Red and blue indicate the opposite chirality. (a,f): B=0, 0.1J, 0.5J, 0.9J, 1.0J, 1.1J. We have set D=0.2J, J′=0.6J and θ=π/2.

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