English
Related papers

Related papers: Charge-ordered states in twisted MoTe$_2$

200 papers

Ground state reconstruction by creation of topological defects in junctions of CDWs is a convenient playground for modern efforts of field-effect transformations in strongly correlated materials with spontaneous symmetry breakings. Being…

Strongly Correlated Electrons · Physics 2014-11-10 T. Yi , A. Rojo-Bravo , N. Kirova , S. Brazovskii

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…

Using first-principles calculation methods, we reveal a series of phase transitions as a function of electron doping in single-layer 1T$'$-MoTe$_2$ and 1T$'$-WTe$_2$ exhibiting quantum spin Hall (QSH) edge states without doping. As…

Strongly Correlated Electrons · Physics 2017-11-23 Jun-Ho Lee , Young-Woo Son

Monolayer vanadium ditelluride (VTe2) exhibits a 2\sqrt{3}*2\sqrt{3} charge density wave (CDW) order intertwined with a Mott-insulating state. However, the physical mechanisms driving the emergence of CDW order and Mott-insulating state are…

Superconductivity · Physics 2025-04-08 Wenqian Tu , Run Lv , Dingfu Shao , Yuping Sun , Wenjian Lu

We develop a Chern-Simons theory to describe a two-dimensional electron gas in intermediate magnetic fields. Within this approach, inhomogeneous states emerge in analogy to the intermediate state of a superconductor. At half filling of the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Bernd Rosenow , Stefan Scheidl

Charge density wave (CDW) and their interplay with correlated and topological quantum states are forefront of condensed matter research. The 4$H_{b}$-TaS$_2$ is a CDW ordered quantum heterostructure that is formed by alternative stacking of…

We use an unbiased, continuous-time quantum Monte Carlo method to address the possibility of a zero-temperature phase without charge-density-wave (CDW) order in the Holstein and, by extension, the Holstein-Hubbard model on the half-filled…

Strongly Correlated Electrons · Physics 2019-10-11 M. Hohenadler , G. G. Batrouni

Spin-wave excitations of quarter-filled spin-density-wave state, which coexists with charge ordering, have been studied for one-dimensional extended Hubbard model with the nearest-neighbor repulsive interaction (V) and next-nearest-neighbor…

Strongly Correlated Electrons · Physics 2009-11-07 Y. Tomio , Y. Kurihara , Y. Suzumura

Here we investigate how charge density waves (CDW), inherent to a monolayer, are effected by creating twisted van der Waals structures. Homobilayers of metallic transition metal dichalcogenides (TMDs), at small twist angles where there is…

Materials Science · Physics 2023-05-29 Zachary A. H. Goodwin , Vladimir I. Fal'ko

The coexistent state of the spin density wave (SDW) and the charge density wave (CDW) in the one-dimensional quarter-filled system and with the Coulomb interaction up to the next-nearest sites under magnetic fields is studied. It is found…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Keita Kishigi , Yasumasa Hasegawa

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

One-dimensional lattice with strong spin-orbit interactions (SOI) and Zeeman magnetic field is shown to lead to the formation of a helical charge-density wave (CDW) state near half-filling. Interplay of the magnetic field, SOI constants and…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 E. Nakhmedov , O. Alekperov

We use determinant quantum Monte Carlo to study the half-filled `bond-Holstein' model on a square lattice. We find that the model exhibits a charge-density-wave (CDW) phase transition with a critical temperature $T_\mathrm{cdw}$…

Strongly Correlated Electrons · Physics 2026-01-22 Charles Jordan , George Issa , Ehsan Khatami , Richard Scalettar , Benjamin Cohen-Stead , Steven Johnston

The collective charge density wave (CDW) conduction is modulated by a transverse single-particle current in a transistor-like device. Nonequilibrium conditions in this geometry lead to an exponential reduction of the depinning threshold,…

Strongly Correlated Electrons · Physics 2009-10-31 N. Markovic , M. A. H. Dohmen , H. S. J. van der Zant

We investigate the interplay between charge density wave (CDW) order and topological nodal-line states in square-net materials. Our Ginzburg-Landau theory predicts a CDW instability that generically opens a gap at the Fermi energy while…

Strongly Correlated Electrons · Physics 2025-09-01 Sergey Alekseev , Lei Chen , Jennifer Cano

We consider a system of weakly coupled wires with quantum Hall effect (QHE) and in the presence of a spatially periodic modulation of the chemical potential along the wire, equivalent to a charge density wave (CDW). We investigate the…

Mesoscale and Nanoscale Physics · Physics 2016-07-06 Paweł Szumniak , Jelena Klinovaja , Daniel Loss

Twisted moire superlattices in van-der-Waals heterostructures provide a powerful platform for engineering correlated states through moire-band reconstruction. However, whether globally coherent electronic orders can be continuously…

Charge density wave (CDW) order is an emergent quantum phase that is characterized by a periodic lattice distortion and charge density modulation, often present near superconducting transitions. Here we uncover a novel inverted CDW state by…

We consider a system of weakly coupled one-dimensional wires forming a three-dimensional stack in the presence of a spatially periodic modulation of the chemical potential along the wires, equivalent to a charge density wave (CDW). An…

Mesoscale and Nanoscale Physics · Physics 2020-09-23 Paweł Szumniak , Daniel Loss , Jelena Klinovaja

We report the evolution of a charge density wave (CDW) state in the quasi-2D rare-earth tritellurides ($R$Te$_3$ for $R$=Er,Tm) as a function of in-plane uniaxial stress. Measurements of the elastocaloric effect, resistivity, and…

Strongly Correlated Electrons · Physics 2022-05-31 J. A. W. Straquadine , M. S. Ikeda , I. R. Fisher