Cycling Fermi arc electrons with Weyl orbits

C Zhang, Y Zhang, HZ Lu, XC Xie, F Xiu - Nature Reviews Physics, 2021 - nature.com
The Weyl orbit refers to a new type of cyclotron orbit recently proposed in Weyl semimetals.
This is a surface–bulk hybrid orbit that can be modulated by thickness and external fields …

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 …

Bicircular Light Floquet Engineering of Magnetic Symmetry and Topology and Its Application to the Dirac Semimetal

TV Trevisan, PV Arribi, O Heinonen, RJ Slager… - Physical review letters, 2022 - APS
We show that bicircular light (BCL) is a versatile way to control magnetic symmetries and
topology in materials. The electric field of BCL, which is a superposition of two circularly …

Floquet Weyl semimetal phases in light-irradiated higher-order topological Dirac semimetals

ZM Wang, R Wang, JH Sun, TY Chen, DH Xu - Physical Review B, 2023 - APS
Floquet engineering, the concept of tailoring a system by a periodic drive, is increasingly
exploited to design and manipulate topological phases of matter. In this work we study …

Integer quantum Hall effect and enhanced factor in quantum-confined films

R Xiao, J Zhang, J Chamorro, J Kim, TM McQueen… - Physical Review B, 2022 - APS
We investigate the integer quantum Hall effect in Cd 3 As 2 thin films under conditions of
strong to moderate quantum confinement (thicknesses of 10, 12, and 15 nm). In all the films …

Extraordinary Thermoelectric Properties of Topological Surface States in Quantum‐Confined Cd3As2 Thin Films

W Ouyang, AC Lygo, Y Chen, H Zheng, D Vu… - Advanced …, 2024 - Wiley Online Library
Topological insulators and semimetals have been shown to possess intriguing
thermoelectric properties promising for energy harvesting and cooling applications …

Challenges to magnetic doping of thin films of the Dirac semimetal

R Xiao, JT Held, J Rable, S Ghosh, K Wang… - Physical Review …, 2022 - APS
Magnetic doping of topological quantum materials provides an attractive route for studying
the effects of time-reversal symmetry breaking. Thus motivated, we explore the introduction …

Strain-induced circular photogalvanic current in Dirac semimetal Cd 3 As 2 films epitaxied on a GaAs (111) B substrate

G Liang, G Zhai, J Ma, H Wang, J Zhao, X Wu, X Zhang - Nanoscale, 2022 - pubs.rsc.org
Dirac semimetal (DSM) Cd3As2 has drawn great attention for exploring the novel quantum
phenomena and high-speed optoelectronic applications. The circular photogalvanic effect …

Strain-gradient induced topological transition in bent nanoribbons of the Dirac semimetal

WZ Zheng, TY Zhao, AQ Wang, DY Xu, PZ Xiang… - Physical Review B, 2021 - APS
Dirac semimetal is an ideal parent state to realize various exotic states of matter, such as
quantum spin Hall state, Weyl semimetal phase, and Majorana zero modes. Topological …

[HTML][HTML] Dirac/Weyl-node-induced oscillating Casimir effect

K Nakayama, K Suzuki - Physics Letters B, 2023 - Elsevier
The Casimir effect is a quantum phenomenon induced by the zero-point energy of relativistic
fields confined in a finite-size system. This effect for photon fields has been studied for a long …