English
Related papers

Related papers: Emergent Topological Superconductor by Charge Dens…

200 papers

These years, kagome materials with 1:1 stoichiometry have garnered increasing attention, among which FeSn, CoSn, and FeGe have been the focus of current studies. However, all of them are antiferromagnetic, thereby hindering the observation…

Materials Science · Physics 2026-04-24 Shu-Xiang Qiao , Ya-Ping Li , Jie Zhang , Yi Wan , Na Jiao , Meng-Meng Zheng , Hong-Yan Lu , Ping Zhang

In the sake of connecting the charge-density-wave (CDW) of TaSe$_2$ and single-\emph{\textbf{q}} CDW-type distortion of TaTe$_2$, we present an overall electronic phase diagram of 1\emph{T}-TaSe$_{2-x}$Te$_x$ ($0 \leq x \leq 2$). In the…

Strongly Correlated Electrons · Physics 2020-02-07 Y. Liu , D. F. Shao , W. J. Lu , L. J. Li , H. Y. Lv , X. D. Zhu , S. G. Tan , B. Yuan , L. Zu , X. C. Kan , W. H. Song , Y. P. Sun

We investigate the charge density wave (CDW) instability in single and double layers, as well as in the bulk 2H-NbSe$_{2}$. We demonstrate that the density functional theory correctly describes the metallic CDW state in the bulk…

Materials Science · Physics 2015-05-14 Matteo Calandra , I. I. Mazin , Francesco Mauri

The charge density wave (CDW) is a condensate that often forms in layered materials. It is known to carry electric current \emph{en masse}, but the transport mechanism remains poorly understood at the microscopic level. Its quantum nature…

Mesoscale and Nanoscale Physics · Physics 2023-10-17 John H. Miller , Martha Y. Suárez-Villagrán , Johnathan O. Sanderson

WTe$_2$ is a multifunctional quantum material exhibiting numerous emergent phases in which tuning of the carrier density plays an important role. Here we demonstrate two non-monotonic changes in the electronic structure of WTe$_2$ upon…

Pair density waves (PDWs) are a inhomogeneous superconducting states whose Cooper pairs possess a finite momentum resulting in a oscillatory gap in space, even in the absence of an external magnetic field. There is growing evidence for the…

Superconductivity · Physics 2024-12-17 Marcus Rosales , Eduardo Fradkin

Superconductivity and charge density waves (CDW) are competitive, yet coexisting orders in cuprate superconductors. To understand their microscopic interdependence, a probe capable of discerning their interaction on its natural length and…

While parallel segments in the Fermi level contours, often found at the surfaces of topological insulators (TIs) would imply "strong" nesting conditions, the existence of charge density waves (CDWs) - periodic modulations of the electron…

Mesoscale and Nanoscale Physics · Physics 2023-01-26 Adrian Ruckhofer , Giorgio Benedek , Martin Bremholm , Wolfgang E. Ernst , Anton Tamtögl

A simple model of the commensurate charge-density wave (CCDW) portion of the underdoped pseudogap regions of monolayer Bi$_2$Sr$_{2-x}$La$_x$CuO$_{6-x}$ (Bi2201), bilayer Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ (Bi2212), and trilayer…

Superconductivity · Physics 2025-01-27 Jacob Morrissey , Timothy J. Haugan , Richard A. Klemm

Spin-triplet topological superconductors should exhibit many unprecedented electronic properties including fractionalized electronic states relevant to quantum information processing. Although UTe$_2$ may embody such bulk topological…

The newly discovered Kagome superconductors $A$V$_3$Sb$_5$ ($A$ = K, Rb, Cs) exhibit superconductivity, charge order, and band topology simultaneously. To explore the intricate interplay between the superconducting and charge orders, we…

Two-dimensional layered transition metal dichalcogenide (TMDC) materials often exhibit exotic quantum matter phases due to the delicate coupling and competitions between the charge, lattice, orbital, and spin degrees of freedom.…

Mesoscale and Nanoscale Physics · Physics 2018-02-07 Seho Yi , Zhenyu Zhang , Jun-Hyung Cho

Although charge density waves (CDWs) are omnipresent in cuprate high-temperature superconductors, they occur at significantly different wavevectors, confounding efforts to understand their formation mechanism. Here, we use resonant…

Tantalum diselenide (TaSe2) is an exciting material that hosts charge density wave order (CDW) and superconductivity. Thus, providing a playing field for examining the interactions of fundamental electronic quantum states in materials.…

We analyze superconductivity in the cuprates near the onset of an incommensurate charge density wave (CDW) order with momentum ${\bf Q} = (Q,0)/(0,Q)$, as observed in the experiments. We first consider a semi-phenomenological charge-fermion…

Superconductivity · Physics 2015-10-09 Yuxuan Wang , Andrey V. Chubukov

Materials with reduced dimensionality often exhibit exceptional properties that are different from their bulk counterparts. Here we report the emergence of a commensurate 2 $\times$ 2 charge density wave (CDW) in monolayer and bilayer…

Materials Science · Physics 2021-02-17 Shu-Ze Wang , Yi-Min Zhang , Jia-Qi Fan , Ming-Qiang Ren , Can-Li Song , Xu-Cun Ma , Qi-Kun Xue

We systematically investigated the superconducting properties and the interplay between charge-density-waves (CDW) and superconductivity in lithium-intercalated 2H-TaS2. By gradually increasing the lithium content x, the CDW formation…

Superconductivity · Physics 2021-09-08 Huanlong Liu , Shangxiong Huangfu , Xiaofu Zhang , Hai Lin , Andreas Schilling

Single crystals of Ca$_3$(Ir$_{1-x}$Rh$_x$)$_4$Sn$_{13}$ (3-4-13) were synthesized by flux growth and characterized by X-ray diffraction, EDX, magnetization, resistivity and radio frequency magnetic susceptibility tunnel diode resonator…

Superconductivity in the cuprates is found to be intertwined with charge and spin density waves. Determining the interactions between the different types of order is crucial for understanding these important materials. Here, we elucidate…

Chemical substitution is a promising route for the exploration of a rich variety of doping- and/or disorder-dependent collective phenomena in low-dimensional quantum materials. Here we show that transition metal dichalcogenide alloys are…

Superconductivity · Physics 2023-06-16 Wen Wan , Rishav Harsh , Paul Dreher , Fernando de Juan , Miguel M. Ugeda