Linear bands, zero-momentum Weyl semimetal, and topological transition in skutterudite-structure pnictides

V. Pardo, J. C. Smith, W. E. Pickett

It was reported earlier [Phys. Rev. Lett. 106, 056401 (2011)] that the skutterudite structure compound CoSb${}_3$ displays a unique band structure with a topological transition versu…