Experimental signatures of the chiral anomaly in Dirac–Weyl semimetals

NP Ong, S Liang - Nature Reviews Physics, 2021 - nature.com
In condensed matter, the chiral anomaly describes the conversion of left-moving Dirac–Weyl
fermions to right-moving ones in parallel electric and magnetic fields. The resulting axial …

Rare regions and avoided quantum criticality in disordered Weyl semimetals and superconductors

JH Pixley, JH Wilson - Annals of Physics, 2021 - Elsevier
Disorder in Weyl semimetals and superconductors is surprisingly subtle, attracting attention
and competing theories in recent years. In this brief review, we discuss the current …

Anomalous electronic energy relaxation and soft phonons in the Dirac semimetal

R Bhandia, D Barbalas, R **ao, JR Chamorro, T Berry… - Physical Review B, 2024 - APS
We have used a combination of linear response time-domain THz spectroscopy (TDTS) and
nonlinear THz pump-probe spectroscopy to separately probe the electronic momentum and …

Decoupling intranode and internode scattering in Weyl fermions

G Sharma, S Nandy, KV Raman, S Tewari - Physical Review B, 2023 - APS
A series of recent papers claimed that intranode scattering alone can contribute to positive
longitudinal magnetoconductance (LMC) due to the chiral anomaly (CA) in Weyl semimetals …

Temperature-dependent terahertz properties of carriers and phonons in the topological Dirac semimetal

L Hou, Y Yang, A Li, Q Wang, Q Li, M Wu, P Ji, Y Zhang… - Physical Review B, 2023 - APS
As a three-dimensional (3D) analog of graphene, the cadmium arsenide (Cd 3 As 2) based
topological Dirac semimetal has attracted enormous research interest recently. In this work …

Geometry, anomaly, topology, and transport in Weyl fermions

A Ahmad, G Varma, G Sharma - Journal of Physics: Condensed …, 2024 - iopscience.iop.org
Weyl fermions are one of the simplest objects that link ideas in geometry and topology to
high-energy physics and condensed matter physics. Although the existence of Weyl …

Surface spectroscopy and surface–bulk hybridization of Weyl semimetals

XX Zhang, N Nagaosa - Proceedings of the National …, 2024 - National Acad Sciences
Weyl semimetal showing open-arc surface states is a prominent example of topological
quantum matter in three dimensions. With the bulk-boundary correspondence present …

Layer-controlled evolution of electron state in the silicene intercalation compound SrSi 2

OE Parfenov, AN Taldenkov, DV Averyanov… - Materials …, 2022 - pubs.rsc.org
Silicene, a Si-based analogue of graphene, holds a high promise for electronics because of
its exceptional properties but a high chemical reactivity makes it a very challenging material …

Magnetotransport in spin-orbit coupled noncentrosymmetric and Weyl metals

G Varma K, A Ahmad, S Tewari, G Sharma - Physical Review B, 2024 - APS
Recently, chiral anomaly (CA) has been proposed to occur in spin-orbit coupled
noncentrosymmetric metals (SOC-NCMs), motivating CA to be a Fermi surface property …

Topological frequency conversion in Weyl semimetals

F Nathan, I Martin, G Refael - Physical Review Research, 2022 - APS
We theoretically predict a working principle for optical amplification, based on Weyl
semimetals: When a Weyl semimetal is suitably irradiated at two frequencies, electrons …