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 …

Pseudo-magnetic field-induced slow carrier dynamics in periodically strained graphene

DH Kang, H Sun, M Luo, K Lu, M Chen, Y Kim… - Nature …, 2021 - nature.com
The creation of pseudo-magnetic fields in strained graphene has emerged as a promising
route to investigate intriguing physical phenomena that would be unattainable with …

[HTML][HTML] Ultrafast investigation and control of Dirac and Weyl semimetals

CP Weber - Journal of Applied Physics, 2021 - pubs.aip.org
Ultrafast experiments using sub-picosecond pulses of light are poised to play an important
role in the study and use of topological materials and, particularly, of the three-dimensional …

Topological Hall effect in the antiferromagnetic Dirac semimetal EuAgAs

A Laha, R Singha, S Mardanya, B Singh, A Agarwal… - Physical Review B, 2021 - APS
The nontrivial magnetic texture in real space gives rise to the intriguing phenomenon of the
topological Hall effect (THE), which is relatively less explored in topological semimetals …

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 …

Laser-induced surface magnetization in Floquet-Weyl semimetals

R Zhang, K Hino, N Maeshima, H Yogemura… - Physical Review B, 2023 - APS
We investigate optically induced magnetization in Floquet-Weyl semimetals generated by
irradiation of a circularly polarized continuous-wave laser from the group II-V narrow gap …

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 …

Phonon Landau Quantization and Enhanced Lifetime in Deformed Graphene

JG Li, D Guo, YM Li, K Chang, DB Zhang - Nano Letters, 2024 - ACS Publications
The pseudomagnetic field effect may offer unique opportunities for the emergence of
intriguing phenomena. To date, investigations into pseudomagnetic field effects on phonons …

Probing charge pumping and relaxation of the chiral anomaly in a Dirac semimetal

B Cheng, T Schumann, S Stemmer, NP Armitage - Science Advances, 2021 - science.org
The linear band crossings of 3D Dirac and Weyl semimetals are characterized by a charge
chirality, the parallel or antiparallel locking of electron spin to its momentum. These materials …

Anomalous electromagnetic field penetration in a Weyl or Dirac semimetal

PO Sukhachov, LI Glazman - Physical Review Letters, 2022 - APS
The current response to an electromagnetic field in a Weyl or Dirac semimetal becomes
nonlocal due to the chiral anomaly activated by an applied static magnetic field. The …