Experimental perspective on three-dimensional topological semimetals

BQ Lv, T Qian, H Ding - Reviews of Modern Physics, 2021 - APS
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 …

Weyl and Dirac semimetals in three-dimensional solids

NP Armitage, EJ Mele, A Vishwanath - Reviews of Modern Physics, 2018 - APS
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 …

Weyl, Dirac and high-fold chiral fermions in topological quantum matter

MZ Hasan, G Chang, I Belopolski, G Bian… - Nature Reviews …, 2021 - nature.com
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 …

Axion electrodynamics in topological materials

A Sekine, K Nomura - Journal of Applied Physics, 2021 - pubs.aip.org
One of the intriguing properties characteristic to three-dimensional topological materials is
the topological magnetoelectric phenomena arising from a topological term called the θ …

Topological materials: Weyl semimetals

B Yan, C Felser - Annual Review of Condensed Matter Physics, 2017 - annualreviews.org
Topological insulators and topological semimetals are both new classes of quantum
materials, which are characterized by surface states induced by the topology of the bulk …

Berry curvature dipole in Weyl semimetal materials: An ab initio study

Y Zhang, Y Sun, B Yan - Physical Review B, 2018 - APS
Noncentrosymmetric metals are anticipated to exhibit a dc photocurrent in the nonlinear
optical response caused by the Berry curvature dipole in momentum space. Weyl …

Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn3X, X = Sn, Ge

T Chen, T Tomita, S Minami, M Fu, T Koretsune… - Nature …, 2021 - nature.com
The recent discoveries of strikingly large zero-field Hall and Nernst effects in
antiferromagnets Mn3 X (X= Sn, Ge) have brought the study of magnetic topological states to …

Evidence for topological type-II Weyl semimetal WTe2

P Li, Y Wen, X He, Q Zhang, C **a, ZM Yu… - Nature …, 2017 - nature.com
Recently, a type-II Weyl fermion was theoretically predicted to appear at the contact of
electron and hole Fermi surface pockets. A distinguishing feature of the surfaces of type-II …

An ab-initio study on structural, elastic, electronic, bonding, thermal, and optical properties of topological Weyl semimetal TaX (X = P, As)

MI Naher, SH Naqib - Scientific Reports, 2021 - nature.com
In recent days, study of topological Weyl semimetals have become an active branch of
physics and materials science because they led to realization of the Weyl fermions and …

Zero‐Field Nernst Effect in a Ferromagnetic Kagome‐Lattice Weyl‐Semimetal Co3Sn2S2

SN Guin, P Vir, Y Zhang, N Kumar… - Advanced …, 2019 - Wiley Online Library
The discovery of magnetic topological semimetals has recently attracted significant attention
in the field of topology and thermoelectrics. In a thermoelectric device based on the Nernst …