Cd3As2, Na3Bi host 3D Dirac fermions (Liu 2014, Wang 2013) protected by crystal symmetry; doubly-degenerate Dirac point splits into Weyl pair under symmetry breaking.
Cd3As2, Na3Bi host 3D Dirac fermions (Liu 2014, Wang 2013) protected by crystal symmetry; doubly-degenerate Dirac point splits into Weyl pair under symmetry breaking.