• Zhijun Wang
  • Dominik Gresch
  • Alexey A. Soluyanov
  • Weiwei Xie
  • S. Kushwaha
  • Xi Dai
  • Matthias Troyer
  • Robert J. Cava
  • B. Andrei Bernevig

Based on the ab initio calculations, we show that MoTe2, in its low-temperature orthorhombic structure characterized by an x-ray diffraction study at 100 K, realizes 4 type-II Weyl points between the Nth and (N + 1)th bands, where N is the total number of valence electrons per unit cell. Other WPs and nodal lines between different other bands also appear close to the Fermi level due to a complex topological band structure. We predict a series of strain-driven topological phase transitions in this compound, opening a wide range of possible experimental realizations of different topological semimetal phases. Crucially, with no strain, the number of observable surface Fermi arcs in this material is 2-the smallest number of arcs consistent with time-reversal symmetry.

Original languageEnglish
Article number056805
Number of pages5
JournalPhysical Review Letters
Volume117
Issue number5
DOIs
StatePublished - 27 Jul 2016
Externally publishedYes

    Research areas

  • AUGMENTED-WAVE METHOD, FERMION SEMIMETAL, CRYSTAL, VISUALIZATION, TRANSITION, ELECTRON, SOLIDS, ARCS, 3D

ID: 9159126