Surface Fermi arcs in $Z_2$ Weyl semimetals $A_{3}Bi$ (A=Na, K, Rb)

E. V. Gorbar, V. A. Miransky, I. A. Shovkovy +1

The surface Fermi arc states in $Z_2$ Weyl semimetals $A_{3}Bi$ (A=Na, K, Rb) are studied by employing a continuum low-energy effective model. It is shown that the surface Fermi arc…