High chern number

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Web2 de nov. de 2012 · Lattice models forming bands with higher Chern number offer an intriguing possibility for new phases of matter with no analogue in continuum Landau … WebThe observed high-Chern-number and high-temperature Chern insulator states require applying weak magnetic field due to the antiferromagnetic nature of MnBi 2 Te 4 at zero magnetic field. A s the ordinary QHE can also give rise to quantized Hall resistance plateau and vanishing longitudinal resistance, it is necessary to exclude the influence of Landau …

(PDF) Floquet topological phases with high Chern numbers in a ...

Web3 de dez. de 2024 · Topological photonic systems have recently emerged as an exciting new paradigm to guide light without back-reflections. The Chern topological numbers of a photonic platform are usually written in ... Web1 de jun. de 2024 · The observed high-Chern-number and high-temperature Chern insulator states require applying weak magnetic field due to the antiferromagnetic nature … t shirt isle of man

High Chern number quantum anomalous Hall effect tunable by …

WebWe report the experimental discovery of high-Chern-number (C = 2) quantum Hall effect without Landau levels and C = 1 Chern insulator state above the NÃ©el temperature in MnBi 2 Te 4 devices. Abstract . View article; Supplementary data; 4D spinless topological insulator in a periodic electric circuit. Web10 de jul. de 2024 · Many topological phases discovered so far have a Chern number of 1 or 2, but higher values are also theoretically possible. Schröter et al. predicted that the … http://home.ustc.edu.cn/~lxsphys/2024-4-15/BerryPhaseChernNumber.pdf philosophy flowchart

Phys. Rev. B 104, 035202 (2024) - High Chern number phase in ...

Tuning the Chern number in quantum anomalous Hall …

WebThen, the two-dimensional subsystem is a quantum Hall insulator with unit Chern number. When the system is given a boundary at \(z = 0\), we expect a chiral edge state for this subsystem [see Fig. 6(b)]. Hence, this … WebAnother way to say High Number? Synonyms for High Number (other words and phrases for High Number). Log in. Synonyms for High number. 875 other terms for high … philosophy font freeWeb16 de dez. de 2024 · Ge, J. et al. High-Chern-number and high-temperature quantum Hall effect without Landau levels. Natl Sci. Rev. 7, 1280–1287 (2024). Article CAS Google … philosophy font

"WebHá 2 dias · Boundary terms and conserved charges in higher-derivative gauged supergravity. Davide Cassani, Alejandro Ruipérez, Enrico Turetta. We address some issues in higher-derivative gauged supergravity with Chern-Simons terms, focusing on the five-dimensional case. We discuss the variational problem with Dirichlet boundary conditions … " - High chern number

High chern number

High Spin-Chern Insulators with Magnetic Order Scientific Reports

Web14 de abr. de 2024 · DOI: 10.1103/physrevb.105.155122 Corpus ID: 248198900; High Chern number quantum anomalous Hall effect tunable by stacking order in van der Waals topological insulators @article{Zhu2024HighCN, title={High Chern number quantum anomalous Hall effect tunable by stacking order in van der Waals topological insulators}, … http://phyx.readthedocs.io/en/latest/TI/Weyl_semi-metal.html

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Web28 de dez. de 2012 · We report the theoretical discovery of a systematic scheme to produce topological flat bands (TFBs) with arbitrary Chern numbers. We find that generically a … Web14 de dez. de 2015 · A magnetic photonic crystal—a photonic crystal made of materials that break Lorentz reciprocity due to their response to an external magnetic field—can have a nonzero Chern number (and associated nonscattering edge states) for electromagnetic …

Webyou're viewing your generator with the url select-the-highest-number - you can: change its url; duplicate it; make private; download it; delete it; close if you click the button below, it … Web20 de out. de 2024 · Topological defects in Haldane model and higher Chern numbers in monolayer graphene. Zhi-Wen Chang 1, Wei-Chang Hao 2 and Xin Liu 3,1. Published 20 October 2024 ... Li H, Luo T, Wu Y, Xu Y and Wang J 2024 High-Chern-number and high-temperature quantum Hall effect without Landau levels Natl Sci. Rev. 7 1280–7. Go to …

Web27 de mai. de 2024 · The high Chern number phases with the Chern number C > 1 are observed in this study of a periodically driven extended Su–Schrieffer–Heeger (E-SSH) model with a cyclic parameter.Besides the standard intra-dimer and the nearest-neighbor inter-dimer hopping of the SSH model, an additional next-nearest-neighbor hopping is … Web29 de jun. de 2024 · The Chern number characterizes a source of gauge field with high symmetry, a symmetry that naturally arises in particle physics in contexts such as quantum chromodynamics. The monopole field and the second Chern number have been discussed theoretically in the context of 4D quantum Hall effect (4DQH) ( 27 , 28 ), spin-Hall effect ( …

Web16 de dez. de 2024 · “Even at high Chern numbers, the QAH insulators had no dissipation along the edge channels. This provides a proof-of-concept for devices that take …

WebThe Chern number Q associated to our structure is deﬁned via the sum of the Berry ﬂuxes of all the plaquettes forming the closed torus surface: Q D 1 2 X nm F nm: (2.13) The fact that the Chern number Q is deﬁned via the gauge invariant Berry ﬂuxes ensures that Q itself is gauge invariant. Furthermore, taking the arg of Eq.(2.12) t shirt israelWeb10 de jul. de 2024 · The high-Chern number phases with a Chern number C>1 have been observed in a recent experiment that performed on the topological insulator (TI) multilayer structures, consisting of the alternating magnetic-doped and undoped TI layers. In this paper, we develop an effective method to determine the Chern numbers in the TI … t shirt iron transferWeb9 de jul. de 2024 · The high Chern number phases with a Chern number C > 1 have been observed in a recent experiment that was performed on the topological insulator (TI) … philosophy football shirtsWeb3 de mai. de 2016 · Topological Numbers and the Weyl Semimetal. Generalized Dirac monopoles in momentum space are constructed in even d+1 dimensions from the Weyl … t-shirt is made from cottonWeb6 de dez. de 2013 · It is shown that the spin-Chern number can takes an arbitrary high value for certain QH systems. This is a new type of topological insulators, which we may call high spin-Chern insulators. t shirt issueWeb3 de mai. de 2016 · Topological Numbers and the Weyl Semimetal. Generalized Dirac monopoles in momentum space are constructed in even d+1 dimensions from the Weyl Hamiltonian in terms of Green's functions. In 3+1 spacetime dimensions, the (unit) charge of the monopole is equal to both the winding number and the Chern number, expressed … philosophy for children as a way of lifeWeb28 de mar. de 2024 · Chirally stacked N-layer graphene is a semimetal with ±p N band-touching at two nonequivalent corners in its Brillioun zone. We predict that an off-resonant circularly polarized light (CPL) drives chirally stacked N-layer graphene into a Floquet Chern insulators (FCIs), aka quantum anomalous Hall insulators, with tunable high Chern … t shirt islandology