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Charge density wave (CDW) correlations have recently been shown to universally exist in cuprate superconductors. However, their nature at high fields inferred from nuclear magnetic resonance is distinct from that measured by x-ray…

Experimental evidence on high-Tc cuprates reveals ubiquitous charge density wave (CDW) modulations, which coexist with superconductivity. Although the CDW had been predicted by theory, important questions remain about the extent to which…

Motivated by the observation of a pair density wave (PDW) in the kagome metal CsV${}_3$Sb${}_5$, we consider the fate of electrons near a p-type van Hove singularity (vHS) in the presence of local repulsive interactions. We study the effect…

Strongly Correlated Electrons · Physics 2023-07-21 Yi-Ming Wu , Ronny Thomale , S. Raghu

The paper discusses a model of Van der Waals crystals in which band-gap structures do not form. An effect of strong and chaotic electron-electron repulsion, which was excluded from consideration in the traditional approach, is taken into…

Superconductivity · Physics 2007-05-23 V. N. Bogomolov

Recent advances in van der Waals heterostructures have opened the new frontier of moir\'{e} physics, whereby tuning the interlayer twist angle or adjusting lattice parameter mismatch have led to a plethora of exotic phenomena such as…

The occurrence of charge density wave (CDW) phenomena, particularly in low dimensional rare-earth chalcogenides, has attracted substantial research interest. Among these materials, EuTe4, which features multiple Te layers and a single Eu-Te…

Van der Waals heterostructures (vdWHs) allow the assembly of high-crystalline two-dimensional (2D) materials in order to explore dimensionality effects in strongly correlated systems and the emergence of potential new physical scenarios. In…

Strongly Correlated Electrons · Physics 2021-07-13 Carla Boix-Constant , Samuel Mañas-Valero , Rosa Córdoba , Eugenio Coronado

Experimental signatures of charge density waves (CDW) in high-temperature superconductors have evoked much recent interest, yet an alternative interpretation has been theoretically raised based on electronic standing waves resulting from…

Strongly Correlated Electrons · Physics 2020-01-13 Li Yue , Shangjie Xue , Jiarui Li , Wen Hu , Andi Barbour , Feipeng Zheng , Lichen Wang , Ji Feng , Stuart B. Wilkins , Claudio Mazzoli , Riccardo Comin , Yuan Li

Charge density waves (CDW) are ubiquitous in the complex phase diagram of cuprate superconductors and exhibit both short- and long-range correlations. Using time-resolved resonant X-ray scattering, we investigate the photo-induced dynamics…

Van der Waals (vdW) heterobilayers formed by two-dimensional (2D) transition metal dichalcogenides (TMDCs) created a promising platform for various electronic and optical properties. ab initio band results indicate that the band offset of…

Materials Science · Physics 2020-09-04 Yuanyuan Wang , Fengping Li , Wei Wei , Baibiao Huang , Ying Dai

Metals containing Ce often show strong electron correlations due to the proximity of the 4f state to the Fermi energy, leading to strong coupling with the conduction electrons. This coupling typically induces a variety of competing ground…

Strongly Correlated Electrons · Physics 2015-06-24 Philip J. W. Moll , Bin Zeng , Luis Balicas , Stanislaw Galeski , Fedor F. Balakirev , Eric D. Bauer , Filip Ronning

Structural and superconducting transitions of layered van der Waals (vdW) hydrogenated germanene (GeH) were observed under high-pressure compression and decompression processes. GeH possesses a superconducting transition at critical…

The long-sought pair density wave (PDW) is an exotic phase of matter in which charge density wave (CDW) order is intertwined with the amplitude or phase of coexisting, superconducting order \cite{Berg2009,Berg2009b}. Originally predicted to…

Although charge-density wave (CDW) correlations exist in several families of cuprate supercon-ductors, they exhibit substantial variation in CDW wavevector and correlation length, indicating a key role for CDW-lattice interactions. We…

Charge density waves in transition metal dichalcogenides have been intensively studied for their close correlation with Mott insulator, charge-transfer insulator, and superconductor. VTe2 monolayer recently comes into sight because of its…

Strongly Correlated Electrons · Physics 2020-05-13 Qiucen Wu , Zhongjie Wang , Yucheng Guo , Fang Yang , Chunlei Gao

A complex interplay of different energy scales involving Coulomb repulsion, spin-orbit coupling and Hund's coupling energy in two-dimensional (2D) van der Waals (vdW) material produces novel emerging physical state. For instance,…

The cuprate high temperature superconductors develop spontaneous charge density wave (CDW) order below a temperature $T_{CDW}$ and over a wide range of hole doping (p). An outstanding challenge in the field is to understand whether this…

Superconductivity · Physics 2019-09-04 B. Loret , Y. Gallais , M. Cazayous , A. Forget , D. Colson , M. -H. Julien , I. Paul , M. Civelli , A. Sacuto

Ferromagnetic van der Waals (vdW) insulators are of great scientific interest for their promising applications in spintronics. It has been indicated that in the two materials within this class, CrI$_3$ and VI$_3$, the magnetic ground state,…

Strongly Correlated Electrons · Physics 2020-12-15 Asish K. Kundu , Yu Liu , C. Petrovic , T. Valla

Van der Waals materials enable the construction of atomically sharp interfaces between compounds with distinct crystal and electronic properties. This is dramatically exploited in moir\'e systems, where a lattice mismatch or twist between…

The connection between unconventional superconductivity and charge density waves (CDW) has intrigued the condensed matter community and found much interest in the recently discovered superconducting Kagome family of AV$_3$Sb$_5$ (A = K, Cs,…

Strongly Correlated Electrons · Physics 2022-10-05 Christopher Broyles , Dave Graf , Haitao Yang , Hongjun Gao , Sheng Ran
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