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Related papers: Charge and Spin Density Waves observed through the…

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We report the results a comprehensive study of charge density wave (CDW) correlations in untwinned YBCO6+x single crystals with 0.4<x<0.99 using Cu-L3 edge resonant x-ray scattering (RXS). Evidence of CDW formation is found for 0.45<x<0.93,…

Superconductivity · Physics 2014-08-27 S. Blanco-Canosa , A. Frano , E. Schierle , J. Porras , T. Loew , M. Minola , M. Bluschke , E. Weschke , B. Keimer , M. Le Tacon

Using ab-initio band structure calculation based on the local density approximation, Cr K-edge resonant X-ray magnetic scattering spectra are analyzed in the spin density wave (SDW) state of chromium. We perform band structure calculation,…

Materials Science · Physics 2007-05-23 Manabu Takahashi , Jun-ichi Igarashi , Kunitomo Hirai

Charge density wave (CDW) resulted from a small distortion in the lattice is able to create new orders beyond the original lattice. In 2H-NbSe2, one of the layered transition metal dichalcogenides (TMD), the 3x3 charge order appears in…

The charge density wave (CDW) in solids is a collective ground state combining lattice distortions and charge ordering. It is defined by a complex order parameter with an amplitude and a phase. The amplitude and wavelength of the charge…

Strongly Correlated Electrons · Physics 2019-11-27 Árpád Pásztor , Alessandro Scarfato , Marcello Spera , Céline Barreteau , Enrico Giannini , Christoph Renner

Symmetry breaking and the emergence of order is one of the most fascinating phenomena in condensed matter physics. It leads to a plethora of intriguing ground states found in antiferromagnets, Mott insulators, superconductors, and…

A charge density wave (CDW) is one of the fundamental instabilities of the Fermi surface occurring in a wide range of quantum materials. In dimensions higher than one, where Fermi surface nesting can play only a limited role, the selection…

Charge density waves (CDWs) are understood in great details in one dimension, but they remain largely enigmatic in two dimensional systems. In particular, numerous aspects of the associated energy gap and the formation mechanism are not…

Mesoscale and Nanoscale Physics · Physics 2021-01-19 Marcello Spera , Alessandro Scarfato , Árpad Pásztor , Enrico Giannini , David R. Bowler , Christoph Renner

Charge density waves (CDWs) involve coupled amplitude and phase degrees of freedom, but direct access to local amplitude correlations remains experimentally challenging. Here, we report cryogenic four-dimensional scanning transmission…

Strongly Correlated Electrons · Physics 2026-01-07 Seokjo Hong , Jaewhan Oh , Jemin Park , Woohyun Cho , Soyoung Lee , Colin Ophus , Yeongkwan Kim , Heejun Yang , SungBin Lee , Yongsoo Yang

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…

Understanding the nature of charge density waves (CDW) in cuprate superconductors has been complicated by material specific differences. A striking example is the opposite doping dependence of the CDW ordering wavevector in La-based and…

We have investigated the chiral charge-density wave (CDW) in $1T$-VSe$_2$ using scanning tunneling microscopy (STM) measurements and optical polarimetry measurements. With the STM mesurements, we revealed that the CDW intensities along each…

Strongly Correlated Electrons · Physics 2018-12-17 Y. Sugawara , A. Nomura , Y. Toda , T. Kurosawa , M. Oda , T. Matsuura , K. Ichimura , S. Tanda

In most of charge density wave (CDW) systems of different material classes, ranging from traditional correlated systems in low-dimension to recent topological systems with Kagome lattice, superconductivity emerges when the system is driven…

The omnipresence of charge density waves (CDWs) across almost all cuprate families underpins a common organizing principle. However, a longstanding debate of whether its spatial symmetry is stripe or checkerboard remains unresolved. While…

Cuprate materials hosting high-temperature superconductivity (HTS) also exhibit various forms of charge and/or spin ordering whose significance is not fully understood. To date, static charge-density waves (CDWs) have been detected by…

Superconductivity · Physics 2015-06-12 Darius H. Torchinsky , Fahad Mahmood , Anthony T. Bollinger , Ivan Božović , Nuh Gedik

The spin- and charge-density-wave order parameters of the itinerant antiferromagnet chromium are measured directly with non-resonant x-ray diffraction as the system is driven towards its quantum critical point with high pressure using a…

Strongly Correlated Electrons · Physics 2009-11-13 R. Jaramillo , Yejun Feng , J. C. Lang , Z. Islam , G. Srajer , H. M. Ronnow , P. B. Littlewood , T. F. Rosenbaum

The intertwining between spin, charge, and lattice degrees of freedom can give rise to unusual macroscopic quantum states, including high-temperature superconductivity and quantum anomalous Hall effects. Recently, a charge density wave…

We show that a variety of spectral features in high-T_c cuprates can be understood from the coupling of charge carriers to some kind of dynamical order which we exemplify in terms of fluctuating charge and spin density waves. Two…

Superconductivity · Physics 2012-05-22 G. Seibold , M. Grilli , J. Lorenzana

Unconventional charge and spin density-wave states are commonly observed in bilayer nickelates, drawing considerable attention due to their proximity to high-$T_c$ superconductivity in various phase diagrams. However, the nature and…

Superconductivity · Physics 2026-04-02 Daisuke Inoue , Youichi Yamakawa , Seiichiro Onari , Hiroshi Kontani

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…

Charge density waves (CDWs) underpin the electronic properties of many complex materials. Near-equilibrium CDW order is linearly coupled to a periodic, atomic-structural distortion, and the dynamics is understood in terms of amplitude and…