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, 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 …

High-harmonic generation in Weyl semimetal β-WP2 crystals

YY Lv, J Xu, S Han, C Zhang, Y Han, J Zhou… - Nature …, 2021 - nature.com
As a quantum material, Weyl semimetal has a series of electronic-band-structure features,
including Weyl points with left and right chirality and corresponding Berry curvature, which …

Visualizing electronic structures of quantum materials by angle-resolved photoemission spectroscopy

H Yang, A Liang, C Chen, C Zhang… - Nature Reviews …, 2018 - nature.com
Electronic structures are critical characteristics that determine the electrical, magnetic and
optical properties of materials. With the capability of directly visualizing band dispersions …

Departure from the Wiedemann–Franz law in WP2 driven by mismatch in T-square resistivity prefactors

A Jaoui, B Fauqué, CW Rischau, A Subedi, C Fu… - npj Quantum …, 2018 - nature.com
Abstract The Wiedemann–Franz law establishes a link between heat and charge transport
due to electrons in solids. The extent of its validity in the presence of inelastic scattering is a …

Observation of Weyl Nodes in Robust Type-II Weyl Semimetal

MY Yao, N Xu, QS Wu, G Autès, N Kumar, VN Strocov… - Physical review …, 2019 - APS
Distinct to type-I Weyl semimetals (WSMs) that host quasiparticles described by the Weyl
equation, the energy dispersion of quasiparticles in type-II WSMs violates Lorentz invariance …

Charge density wave induced nodal lines in LaTe3

S Sarkar, J Bhattacharya, P Sadhukhan… - Nature …, 2023 - nature.com
LaTe3 is a non-centrosymmetric material with time reversal symmetry, where the charge
density wave is hosted by the Te bilayers. Here, we show that LaTe3 hosts a Kramers nodal …

Extremely large magnetoresistance from electron-hole compensation in the nodal-loop semimetal

J Bannies, E Razzoli, M Michiardi, HH Kung, IS Elfimov… - Physical Review B, 2021 - APS
Several early transition metal dipnictides (TMDPs) have been found to host topological
semimetal states and exhibit large magnetoresistance (MR). In this paper, we use angle …

Microscopic origins of hydrodynamic transport in the type-II Weyl semimetal

J Coulter, R Sundararaman, P Narang - Physical Review B, 2018 - APS
A microscopic understanding of hydrodynamic transport in Dirac and Weyl semimetals has
remained elusive in theoretical descriptions and experimental measurements. We …

Spin-and angle-resolved photoemission on topological materials

JH Dil - Electronic Structure, 2019 - iopscience.iop.org
A review of spin-and angle-resolved photoemission on topological materials is presented,
with a specific focus on results obtained by the author. This work is aimed at readers who …