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 …

Topological materials discovery from crystal symmetry

BJ Wieder, B Bradlyn, J Cano, Z Wang… - Nature Reviews …, 2022 - nature.com
Topological materials discovery has evolved at a rapid pace over the past 15 years following
the identification of the first nonmagnetic topological insulators (TIs), topological crystalline …

Topological chiral crystals with helicoid-arc quantum states

DS Sanchez, I Belopolski, TA Cochran, X Xu, JX Yin… - Nature, 2019 - nature.com
The quantum behaviour of electrons in materials is the foundation of modern electronics and
information technology,,,,,,,,,–, and quantum materials with topological electronic and optical …

A charge-density-wave topological semimetal

W Shi, BJ Wieder, HL Meyerheim, Y Sun, Y Zhang… - Nature Physics, 2021 - nature.com
Topological physics and strong electron–electron correlations in quantum materials are
typically studied independently. However, there have been rapid recent developments in …

Ideal topological nodal-surface phonons in RbTeAu-family materials

QB Liu, ZQ Wang, HH Fu - Physical Review B, 2021 - APS
By using first-principles calculations and symmetry analysis, we uncover that the rubidium-
catena-telluridoaurate-family materials in space group (SG) 51 can exhibit ideal nodal …

[HTML][HTML] Revealing the promising near-room-temperature thermoelectric performance in Ag2Se single crystals

S Lin, L Guo, X Wang, Y Liu, Y Wu, R Li, H Shao… - Journal of …, 2023 - Elsevier
With high carrier mobility and intrinsic low lattice thermal conductivity, Ag 2 Se compounds
have attracted increasing attention for thermoelectric application near room temperature …

Quasiparticle interference on type-I and type-II Weyl semimetal surfaces: a review

H Zheng, M Zahid Hasan - Advances in Physics: X, 2018 - Taylor & Francis
Weyl semimetals are a new member of the topological materials family, featuring a pair of
singly degenerate Weyl cones with linear dispersion around the nodes in the bulk, and …

Quantum Hall effect of Weyl fermions in n-type semiconducting tellurene

G Qiu, C Niu, Y Wang, M Si, Z Zhang, W Wu… - Nature …, 2020 - nature.com
Dirac and Weyl nodal materials can host low-energy relativistic quasiparticles. Under strong
magnetic fields, the topological properties of Dirac/Weyl materials can directly be observed …

Reproducible high thermoelectric figure of merit in Ag2Se

N Jakhar, DK Kedia, A Kumar, K Saurabh… - Applied Physics …, 2023 - pubs.aip.org
Ag2Se is a potentially useful material with interesting magnetoresistive and thermoelectric
properties. In several recent studies, the thermoelectric figure of merit (zT) of Ag2Se has …

Chiral anomalies in three-dimensional spin-orbit coupled metals: Electrical, thermal, and gravitational anomalies

S Das, K Das, A Agarwal - Physical Review B, 2023 - APS
The discovery of chiral anomaly in Weyl semimetals, the nonconservation of chiral charge
and energy across two opposite chirality Weyl nodes, has sparked immense interest in …