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, 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 …
Catalogue of topological electronic materials
Topological electronic materials such as bismuth selenide, tantalum arsenide and sodium
bismuthide show unconventional linear response in the bulk, as well as anomalous gapless …
bismuthide show unconventional linear response in the bulk, as well as anomalous gapless …
Topological negative refraction of surface acoustic waves in a Weyl phononic crystal
Reflection and refraction of waves occur at the interface between two different media. These
two fundamental interfacial wave phenomena form the basis of fabricating various wave …
two fundamental interfacial wave phenomena form the basis of fabricating various wave …
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 …
Experimental observation of topological Fermi arcs in type-II Weyl semimetal MoTe2
Weyl semimetal is a new quantum state of matter,,,,,,,,,,, hosting the condensed matter
physics counterpart of the relativistic Weyl fermions originally introduced in high-energy …
physics counterpart of the relativistic Weyl fermions originally introduced in high-energy …
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 …
Experimental observation of Weyl points
The massless solutions to the Dirac equation are described by the so-called Weyl
Hamiltonian. The Weyl equation requires a particle to have linear dispersion in all three …
Hamiltonian. The Weyl equation requires a particle to have linear dispersion in all three …