High chern number
http://home.ustc.edu.cn/~lxsphys/2024-4-15/BerryPhaseChernNumber.pdf 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 …
High chern number
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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 … Web5 de mai. de 2024 · Topological phases with broken time-reversal symmetry and Chern number C ≥ 2 are of fundamental interest, but it remains unclear how to engineer the …
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 … 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 …
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}, … Web10 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) …
Web19 de dez. de 2024 · Quantum anomalous Hall (QAH) insulators host topologically protected dissipationless chiral edge states, the number of which is determined by its Chern …
Web4 de ago. de 2024 · At high power (Fig. 2c), ... Chern number calculation of the nonlinearly induced potential. As mentioned in the main text, the topological invariant describing a traditional ... malin soft monel trolling wireWebThe 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) malin spawn commandWeb1 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 of MnBi 2 Te 4 at zero magnetic field. malin spencerWebtunable Chern number up to C = 5 [37]. In this work, a sys-tem of multiple layers with alternatingmagneticand undoped topological insulators was fabricated to observe high Chern numbers. Interestingly, the number of undoped topological layers decides the Chern number of the system. Recent studies have established that the nontrivial topolog- malin steffen facebookWeb14 de abr. de 2024 · We report on the case of prenatal detection of trisomy 2 in placental biopsy and further algorithm of genetic counseling and testing. A 29-year-old woman with first-trimester biochemical markers refused chorionic villus sampling and preferred targeted non-invasive prenatal testing (NIPT), which showed low risk for aneuploidies 13, 18, 21, … malin stainless steel fishing wireWeb23 de jul. de 2024 · The experimental discovery of high-Chern-number QHE (C = 2) without Landau levels and C = 1 Chern insulator state displaying a nearly quantized Hall resistance plateau above the Néel temperature in MnBi2Te4 devices is reported. Abstract The quantum Hall effect (QHE) with quantized Hall resistance of h/νe2 started the … malins rugby playerWeb27 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) … malin spout hotel