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 and Dirac semimetals in three-dimensional solids

NP Armitage, EJ Mele, A Vishwanath - Reviews of Modern Physics, 2018 - APS
Weyl and Dirac semimetals are three-dimensional phases of matter with gapless electronic
excitations that are protected by topology and symmetry. As three-dimensional analogs of …

Tunable terahertz hybrid metamaterials supported by 3D Dirac semimetals

X He, W Cao - Optical Materials Express, 2023 - opg.optica.org
By utilizing the three-dimensional Dirac semimetal (DSM)-strontium titanate (SrTiO_3, STO)
elliptical hybrid metamaterials, the tunable Fano resonances were systematically analyzed …

Tunable terahertz Dirac semimetal metamaterials

X He, F Liu, F Lin, W Shi - Journal of Physics D: Applied Physics, 2021 - iopscience.iop.org
The tunable propagation properties of 3D Dirac semimetal (DSM) patterned metamaterial
(MM) structures have been symmetrically investigated in the terahertz (THz) regime. The …

Light-driven Raman coherence as a nonthermal route to ultrafast topology switching in a Dirac semimetal

C Vaswani, LL Wang, DH Mudiyanselage, Q Li… - Physical Review X, 2020 - APS
A grand challenge underlies the entire field of topology-enabled quantum logic and
information science: how to establish topological control principles driven by quantum …

Temperature-Driven Topological Phase Transition and Intermediate Dirac Semimetal Phase in

B Xu, LX Zhao, P Marsik, E Sheveleva, F Lyzwa… - Physical review …, 2018 - APS
We present an infrared spectroscopy study of ZrTe 5, which confirms a recent theoretical
proposal that this material exhibits a temperature-driven topological quantum phase …

Magnetic-field-induced relativistic properties in type-I and type-II Weyl semimetals

S Tchoumakov, M Civelli, MO Goerbig - Physical review letters, 2016 - APS
We investigate Weyl semimetals with tilted conical bands in a magnetic field. Even when the
cones are overtilted (type-II Weyl semimetal), Landau-level quantization can be possible as …

3D Dirac semimetal supported tunable TE modes

X He, F Liu, F Lin, W Shi - Annalen der Physik, 2022 - Wiley Online Library
The tunable propagation properties of transverse electric (TE) plasmonic modes have been
investigated in the mid‐IR spectral region by using air‐Dirac semimetal (DSM)‐Si …

Linear magnetochiral transport in tilted type-I and type-II Weyl semimetals

K Das, A Agarwal - Physical Review B, 2019 - APS
Berry curvature in Weyl semimetals leads to intriguing magnetoconductivity and
magnetothermal transport properties. Here, we explore the impact of the tilting of the Weyl …

Large nonreciprocal absorption and emission of radiation in type-I Weyl semimetals with time reversal symmetry breaking

Y Tsurimaki, X Qian, S Pajovic, F Han, M Li, G Chen - Physical Review B, 2020 - APS
The equality between the spectral directional emittance and absorptance of an object under
local thermodynamic equilibrium is known as Kirchhoff's law of radiation. The breakdown of …