Misconceptions associated with the origin of charge density waves

X Zhu, J Guo, J Zhang, EW Plummer - Advances in Physics: X, 2017 - Taylor & Francis
Charge density wave (CDW) is an important concept in condensed matter physics, germane
to a number of physical phenomena. But the origin of CDW is still under debate, partly …

Pseudogap from ARPES experiment: three gaps in cuprates and topological superconductivity

AA Kordyuk - Low Temperature Physics, 2015 - pubs.aip.org
A term first coined by Mott back in 1968 a “pseudogap” is the depletion of the electronic
density of states at the Fermi level, and pseudogaps have been observed in many systems …

Three-Dimensional Charge Density Wave and Surface-Dependent Vortex-Core States in a Kagome Superconductor

Z Liang, X Hou, F Zhang, W Ma, P Wu, Z Zhang, F Yu… - Physical Review X, 2021 - APS
The transition-metal-based kagome metals provide a versatile platform for correlated
topological phases hosting various electronic instabilities. While superconductivity is rare in …

Characterization of collective ground states in single-layer NbSe2

MM Ugeda, AJ Bradley, Y Zhang, S Onishi, Y Chen… - Nature Physics, 2016 - nature.com
Layered transition metal dichalcogenides are ideal systems for exploring the effects of
dimensionality on correlated electronic phases such as charge density wave (CDW) order …

Charge-Density-Wave-Induced Bands Renormalization and Energy Gaps in a Kagome Superconductor

Z Liu, N Zhao, Q Yin, C Gong, Z Tu, M Li, W Song, Z Liu… - Physical Review X, 2021 - APS
Recently discovered Z 2 topological kagome metals AV 3 Sb 5 (A= K, Rb, and Cs) exhibit
charge-density-wave (CDW) phases and novel superconducting paring states providing a …

Classification of charge density waves based on their nature

X Zhu, Y Cao, J Zhang… - Proceedings of the …, 2015 - National Acad Sciences
The concept of a charge density wave (CDW) permeates much of condensed matter physics
and chemistry. CDWs have their origin rooted in the instability of a one-dimensional system …

Discovery of a Cooper-pair density wave state in a transition-metal dichalcogenide

X Liu, YX Chong, R Sharma, JCS Davis - Science, 2021 - science.org
Pair density wave (PDW) states are defined by a spatially modulating superconductive order
parameter. To search for such states in transition-metal dichalcogenides (TMDs), we used …

Persistent Charge-Density-Wave Order in Single-Layer TaSe2

H Ryu, Y Chen, H Kim, HZ Tsai, S Tang, J Jiang… - Nano …, 2018 - ACS Publications
We present the electronic characterization of single-layer 1 H-TaSe2 grown by molecular
beam epitaxy using a combined angle-resolved photoemission spectroscopy, scanning …

Terahertz spectroscopy of collective charge density wave dynamics at the atomic scale

S Sheng, M Abdo, S Rolf-Pissarczyk, K Lichtenberg… - Nature Physics, 2024 - nature.com
Charge density waves are wave-like modulations of a material's electron density that display
collective amplitude and phase dynamics. The interaction with atomic impurities induces …

Visualizing the charge density wave transition in - in real space

CJ Arguello, SP Chockalingam, EP Rosenthal, L Zhao… - Physical Review B, 2014 - APS
We report the direct observation in real space of the charge density wave (CDW) phase
transition in pristine 2 H-NbSe 2 using atomic-resolution scanning tunneling microscopy. We …