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Charge density waves (CDWs), electronic crystals that form within a host solid, have long been speculated to melt into a spatially textured electronic liquid. Though they have not been previously detected, liquid CDWs may nonetheless be…

Strongly Correlated Electrons · Physics 2025-05-09 Joshua S. H. Lee , Thomas M. Sutter , Goran Karapetrov , Pietro Musumeci , Anshul Kogar

Charge density wave (CDW) is a collective quantum phenomenon in metals and features a wave-like modulation of the conduction electron density. A microscopic understanding and experimental control of this many-body electronic state in…

Materials Science · Physics 2022-01-19 Ming-Qiang Ren , Sha Han , Jia-Qi Fan , Shujing Li , Shu-Ze Wang , Fawei Zheng , Ping Zhang , Xu-Cun Ma , Qi-Kun Xue , Can-Li Song

The two charge-density wave (CDW) transitions in NbSe$_3$ %at wave numbers at $\bm{q_1}$ and $\bm{q_2}$, occurring at the surface were investigated by scanning tunneling microscopy (STM) on \emph{in situ} cleaved $(\bm{b},\bm{c})$ plane.…

Mesoscale and Nanoscale Physics · Physics 2010-07-29 Christophe Brun , Zhao-Zhong Wang , Pierre Monceau , Serguei Brazovskii

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…

The interaction of many-body systems with intense light pulses may lead to novel emergent phenomena far from equilibrium. Recent discoveries, such as the optical enhancement of the critical temperature in certain superconductors and the…

Quantum criticality is a central concept in condensed matter physics, but the direct observation of quantum critical fluctuations has remained elusive. Here we present an x-ray diffraction study of the charge density wave (CDW) in 2H-NbSe2…

Strongly Correlated Electrons · Physics 2012-08-07 Yejun Feng , Jiyang Wang , R. Jaramillo , Jasper van Wezel , S. Haravifard , G. Srajer , Y. Liu , Z. -A. Xu , P. B. Littlewood , T. F. Rosenbaum

We report on sliding Charge Density Wave (CDW) in the quasi two-dimensional TbTe$_3$ system probed by coherent x-ray diffraction combined with {\it in-situ} transport measurements. We show that the non-Ohmic conductivity in TbTe$_3$ is made…

Strongly Correlated Electrons · Physics 2025-01-08 D. Le Bolloc'h , A. A. Sinchenko , V. L. R. Jacques , L. Ortega , J. E. Lorenzo , G. Chahine , . Lejay , P. Monceau

Charge density waves (CDWs) are periodic modulations of the conduction electron density in solids. They are collective states that arise from intrinsic instabilities often present in low dimensional electronic systems. The layered…

Charge density wave (CDW) is a collective quantum phenomenon with a charge modulation in solids1-2. Condensation of electron and hole pairs with finite momentum will lead to such an ordered state3-7. However, lattice symmetry breaking…

We report coexistence of bulk superconductivity and charge density wave (CDW) with superconducting critical temperature Tc = 3.8 K in Cu intercalated quasi-two-dimensional crystals of ZrTe3. The Cu intercalation results in the expansion of…

Superconductivity · Physics 2011-06-27 Xiangde Zhu , Hechang Lei , C. Petrovic

We investigate the macroscopic effects of charge density waves (CDW) and superconductivity in layered superconducting systems with broken lattice inversion symmetry (allowing for piezoelectricity) such as two dimensional (2D) transition…

Superconductivity · Physics 2009-11-10 B. Uchoa , A. H. Castro Neto , G. G. Cabrera

We report on a transient optical reflectivity study of the charge density wave (CDW) in CuxTiSe2 single crystals. Our measurements reveal that the system undergoes a quantum phase transition at x=0.04 from a strong commensurate CDW (x<0.04)…

Strongly Correlated Electrons · Physics 2016-12-07 D. B. Lioi , R. D. Schaller , G. P. Wiederrecht , G. Karapetrov

The subtle interplay of band topology and symmetry broken phase, induced by electron correlations, has immense contemporary relevance and potentially offers novel physical insights. Here, we demonstrate charge density wave (CDW) in bulk…

Mesoscale and Nanoscale Physics · Physics 2022-12-13 Abhishek Juyal , Vinod Kumar Dwivedi , Sonu Verma , Shibabrata Nandi , Amit Agarwal , Soumik Mukhopadhyay

Understanding the role of charge density wave (CDW) in high-temperature superconductivity is a longstanding challenge in condensed matter physics. We construct a holographic superconductor model in which the $U(1)$ symmetry is spontaneously…

High Energy Physics - Theory · Physics 2021-01-04 Yi Ling , Peng Liu , Meng-He Wu

The first-order transition at $T_{\rm 0} = 270$ K for the platinum-based SrPt$_2$Sb$_2$ superconductor was investigated using X-ray diffraction and magnetic susceptibility measurements. When polycrystalline SrPt$_2$Sb$_2$ was cooled down…

Superconductivity · Physics 2016-03-31 Soshi Ibuka , Motoharu Imai

The nature of superconductivity in BiS$_2$-based superconductors has been controversial while ab-initio calculations proposed this system in close proximity to a charge-density-wave (CDW) phase. Using high-energy high-flux X-ray…

Superconductivity · Physics 2021-06-23 Jooseop Lee , Masanori Nagao , Yoshikazu Mizuguchi , Jacob Ruff

The interplay between charge density wave (CDW) and superconducting vortex bound states are crucial for fundamental physics of superconductivity and advancing quantum nanotechnologies. However, the CDW-mediated modulation of vortex bound…

Superconductivity · Physics 2026-01-13 Hao Zhang , Hui Chen , Zichen Huang , Zi-Ang Wang , Senhao Lv , Guoyu Xian , Hui Guo , Haitao Yang , Hong-Jun Gao

A charge-density-wave (CDW) is characterized by a dynamical order parameter consisting of a time-dependent amplitude and phase, which manifest as optically-active collective modes of the CDW phase. Studying the behaviour of such collective…

The recently demonstrated x-ray scattering approach using a free electron laser with a high field pulsed magnet has opened new opportunities to explore the charge density wave (CDW) order in cuprate high temperature superconductors. Using…

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
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