Experimental perspective on three-dimensional topological semimetals
Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …
structures, which are expected to give rise to gapless electronic excitations and topological …
Weyl and Dirac semimetals in three-dimensional solids
Weyl and Dirac semimetals are three-dimensional phases of matter with gapless electronic
excitations that are protected by topology and symmetry. As three-dimensional analogs of …
excitations that are protected by topology and symmetry. As three-dimensional analogs of …
Weyl, Dirac and high-fold chiral fermions in topological quantum matter
Quantum materials hosting Weyl fermions have opened a new era of research in condensed
matter physics. First proposed in 1929 in the context of particle physics, Weyl fermions have …
matter physics. First proposed in 1929 in the context of particle physics, Weyl fermions have …
Giant anomalous Hall effect in a ferromagnetic kagome-lattice semimetal
Magnetic Weyl semimetals with broken time-reversal symmetry are expected to generate
strong intrinsic anomalous Hall effects, due to their large Berry curvature. Here, we report a …
strong intrinsic anomalous Hall effects, due to their large Berry curvature. Here, we report a …
Topological chiral crystals with helicoid-arc quantum states
The quantum behaviour of electrons in materials is the foundation of modern electronics and
information technology,,,,,,,,,–, and quantum materials with topological electronic and optical …
information technology,,,,,,,,,–, and quantum materials with topological electronic and optical …
Quantized circular photogalvanic effect in Weyl semimetals
The circular photogalvanic effect (CPGE) is the part of a photocurrent that switches
depending on the sense of circular polarization of the incident light. It has been consistently …
depending on the sense of circular polarization of the incident light. It has been consistently …
Experimental discovery of Weyl semimetal TaAs
Weyl semimetals are a class of materials that can be regarded as three-dimensional
analogs of graphene upon breaking time-reversal or inversion symmetry. Electrons in a …
analogs of graphene upon breaking time-reversal or inversion symmetry. Electrons in a …
Weyl semimetal phase in noncentrosymmetric transition-metal monophosphides
Based on first-principle calculations, we show that a family of nonmagnetic materials
including TaAs, TaP, NbAs, and NbP are Weyl semimetals (WSM) without inversion centers …
including TaAs, TaP, NbAs, and NbP are Weyl semimetals (WSM) without inversion centers …
Observation of Weyl nodes in TaAs
In 1929, H. Weyl proposed that the massless solution of the Dirac equation represents a pair
of a new type of particles, the so-called Weyl fermions. However, their existence in particle …
of a new type of particles, the so-called Weyl fermions. However, their existence in particle …
Unconventional chiral fermions and large topological Fermi arcs in RhSi
The theoretical proposal of chiral fermions in topological semimetals has led to a significant
effort towards their experimental realization. In particular, the Fermi surfaces of chiral …
effort towards their experimental realization. In particular, the Fermi surfaces of chiral …