Recent progress on correlated electron systems with strong spin–orbit coupling
The emergence of novel quantum ground states in correlated electron systems with strong
spin–orbit coupling has been a recent subject of intensive studies. While it has been …
spin–orbit coupling has been a recent subject of intensive studies. While it has been …
Classification of stable three-dimensional Dirac semimetals with nontrivial topology
BJ Yang, N Nagaosa - Nature communications, 2014 - nature.com
Abstract A three-dimensional (3D) Dirac semimetal (SM) is the 3D analogue of graphene
having linear energy dispersion around Fermi points. Owing to the nontrivial topology of …
having linear energy dispersion around Fermi points. Owing to the nontrivial topology of …
Weyl semimetals from noncentrosymmetric topological insulators
J Liu, D Vanderbilt - Physical Review B, 2014 - APS
We study the problem of phase transitions from three-dimensional topological to normal
insulators without inversion symmetry. In contrast with the conclusions of some previous …
insulators without inversion symmetry. In contrast with the conclusions of some previous …
Weyl node and spin texture in trigonal tellurium and selenium
We study Weyl nodes in materials with broken inversion symmetry. We find based on first-
principles calculations that trigonal Te and Se have multiple Weyl nodes near the Fermi …
principles calculations that trigonal Te and Se have multiple Weyl nodes near the Fermi …
Topological semimetals studied by ab initio calculations
In topological semimetals such as Weyl, Dirac, and nodal-line semimetals, the band gap
closes at points or along lines in k space which are not necessarily located at high-symmetry …
closes at points or along lines in k space which are not necessarily located at high-symmetry …
Signatures of a pressure-induced topological quantum phase transition in BiTeI
We report the observation of two signatures of a pressure-induced topological quantum
phase transition in the polar semiconductor BiTeI using x-ray powder diffraction and infrared …
phase transition in the polar semiconductor BiTeI using x-ray powder diffraction and infrared …
Helical Fermi arcs and surface states in time-reversal invariant Weyl semimetals
T Ojanen - Physical Review B—Condensed Matter and Materials …, 2013 - APS
Weyl semimetals are gapless three-dimensional topological materials where two bands
touch at an even number of points in the Brillouin zone. In this work we study a zinc-blende …
touch at an even number of points in the Brillouin zone. In this work we study a zinc-blende …
Topological semimetals and topological insulators in rare earth monopnictides
We use first principles calculations to study the electronic properties of rock salt rare earth
monopnictides La $ X $($ X= $ N, P, As, Sb, Bi). A new type of topological band crossing …
monopnictides La $ X $($ X= $ N, P, As, Sb, Bi). A new type of topological band crossing …
Emergence of topological semimetals in gap closing in semiconductors without inversion symmetry
A band gap for electronic states in crystals governs various properties of solids, such as
transport, optical, and magnetic properties. Its estimation and control have been an …
transport, optical, and magnetic properties. Its estimation and control have been an …
Quantum criticality of topological phase transitions in three-dimensional interacting electronic systems
Topological phase transitions in condensed matter systems accompany emerging
singularities of the electronic wavefunction, often manifested by gap-closing points in …
singularities of the electronic wavefunction, often manifested by gap-closing points in …