Abstract
The deformation of the crystal lattice of Weyl materials, in which the Weyl points with opposite chiralities are separated in the momentum space, leads to the appearance of gauge pseudo-fields: magnetic and electric. Two types (type I and type II) of Weyl fermions can coexist in some Weyl semimetals under the action of such fields. The latter is associated with the fact that the phase transition between types I and II under the effect of pseudo-fields occurs only near one of the Weyl points. Such a phase transition was predicted during the bending of thin Weyl semimetal films.The deformation of the crystal lattice of Weyl materials, in which the Weyl points with opposite chiralities are separated in the momentum space, leads to the appearance of gauge pseudo-fields: magnetic and electric. Two types (type I and type II) of Weyl fermions can coexist in some Weyl semimetals under the action of such fields. The latter is associated with the fact that the phase transition between types I and II under the effect of pseudo-fields occurs only near one of the Weyl points. Such a phase transition was predicted during the bending of thin Weyl semimetal films.
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