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 …

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 …

Compound copper chalcogenide nanocrystals

C Coughlan, M Ibanez, O Dobrozhan, A Singh… - Chemical …, 2017‏ - ACS Publications
This review captures the synthesis, assembly, properties, and applications of copper
chalcogenide NCs, which have achieved significant research interest in the last decade due …

Ideal Weyl points and helicoid surface states in artificial photonic crystal structures

B Yang, Q Guo, B Tremain, R Liu, LE Barr, Q Yan… - Science, 2018‏ - science.org
Weyl points are the crossings of linearly dispersing energy bands of three-dimensional
crystals, providing the opportunity to explore a variety of intriguing phenomena such as …

Topological semimetals predicted from first-principles calculations

H Weng, X Dai, Z Fang - Journal of Physics: Condensed Matter, 2016‏ - iopscience.iop.org
We have given a summary on our theoretical predictions of three kinds of topological
semimetals (TSMs), namely, Dirac semimetal (DSM), Weyl semimetal (WSM) and node-line …

Topological semimetals from first principles

H Gao, JWF Venderbos, Y Kim… - Annual Review of …, 2019‏ - annualreviews.org
We review recent theoretical progress in the understanding and prediction of novel
topological semimetals. Topological semimetals define a class of gapless electronic phases …

Chemical principles of topological semimetals

LM Schoop, F Pielnhofer, BV Lotsch - Chemistry of Materials, 2018‏ - ACS Publications
Initiated by the discovery of topological insulators, topologically non-trivial materials have
attracted immense interest in the physics community in the past decade. One of the latest …

Single pair of type-III Weyl points half-metals: as an example

G Ding, J Wang, ZM Yu, Z Zhang, W Wang… - Physical Review Materials, 2023‏ - APS
The realization of Weyl systems with the minimum nonzero number of Weyl points (WPs)
and full spin polarization remains challenging in topology physics and spintronic. In this …

Non-Hermitian nodal-line semimetals with an anomalous bulk-boundary correspondence

H Wang, J Ruan, H Zhang - Physical Review B, 2019‏ - APS
Recently, topological quantum states of non-Hermitian systems, exhibiting rich, new exotic
states, have attracted great attention in condensed-matter physics. As for the demonstration …