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Synthetic dimensions for topological and quantum phases [PDF]

open access: yesCommunications Physics, 2023
The concept of synthetic dimensions works particularly well in atomic physics, quantum optics, and photonics, where the internal degrees of freedom (Zeeman sublevels of the ground state, metastable excited states, or motional states for atoms, and ...
Javier Argüello-Luengo   +10 more
doaj   +3 more sources

Twisted moiré conductive thermal metasurface [PDF]

open access: yesNature Communications
Extensive investigations on the moiré magic angle in twisted bilayer graphene have unlocked the emerging field—twistronics. Recently, its optics analogue, namely opto-twistronics, further expands the potential universal applicability of twistronics ...
Huagen Li   +12 more
doaj   +2 more sources

Moiré‐Driven Topological Transitions and Extreme Anisotropy in Elastic Metasurfaces [PDF]

open access: yesAdvanced Science, 2022
The twist angle between a pair of stacked 2D materials has been recently shown to control remarkable phenomena, including the emergence of flat‐band superconductivity in twisted graphene bilayers, of higher‐order topological phases in twisted moiré ...
Simon Yves   +5 more
doaj   +2 more sources

Skyrmion bag robustness in plasmonic bilayer and trilayer moiré superlattices [PDF]

open access: yesNanophotonics
Twistronics is studied intensively in twisted 2D heterostructures and its extension to trilayer moiré structures has proven beneficial for the tunability of unconventional correlated states and superconductivity in twisted trilayer graphene.
Schwab Julian   +4 more
doaj   +2 more sources

Engineering Three-Dimensional Moiré Flat Bands. [PDF]

open access: yesNano Lett, 2021
Twisting two adjacent layers of van der Waals materials with respect to each other can lead to flat two-dimensional electronic bands which enables a wealth of physical phenomena.
Xian L   +5 more
europepmc   +5 more sources

Highly Tunable Moiré Superlattice Potentials in Twisted Hexagonal Boron Nitrides [PDF]

open access: yesAdvanced Science
Moiré superlattice of twisted hexagonal boron nitride (hBN) has emerged as an advanced atomically thin van der Waals interfacial ferroelectricity platform.
Kwanghee Han   +10 more
doaj   +2 more sources

Real-space observation of a time-reversal invariant topological state in twisted bilayer InSe [PDF]

open access: yesNature Communications
The moiré superlattice formed by van der Waals (vdW) stacking of two-dimensional (2D) monolayers with a twist angle can give rise to a variety of novel correlated physical phenomena.
Dacheng Tian   +10 more
doaj   +2 more sources

Topological hyperbolic metamaterials [PDF]

open access: yesNanophotonics
Hyperbolic metamaterial (HMM) is a unique type of anisotropic material that can exhibit metal and dielectric properties at the same time. This unique characteristic results in it having unbounded isofrequency surface contours, leading to exotic phenomena
Li Zhitong, Gu Qing
doaj   +2 more sources

Localized dissipation in linear moiré heat transport [PDF]

open access: yesNature Communications
Moiré superlattices created by twistronics generate flat bands for enabling localization in topological and quantum system. Most prior realizations rely on nonlinear interactions among electrons, photons, or other particles to achieve moiré-driven ...
Guoqiang Xu   +6 more
doaj   +2 more sources

Ferroelectric Properties of Bilayer MoS2/WS2 Heterostructure Modulated by Twist Angle [PDF]

open access: yesAdvanced Science
The emergence of sliding ferroelectricity is found in non‐ferroelectric two‐dimensional materials, which brings novel ferroelectric phenomena and expands the potential for advancing ferroelectric devices.
Liyao Wang   +12 more
doaj   +2 more sources

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