High chern number
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 … Web16 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 …
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 … Web12 de nov. de 2024 · Skyrmions with the topological number Q equal to an integer larger than 1 are called high-topological-number skyrmions or high-Q skyrmions. In this work, we theoretically study the topological Hall effect in square-lattice high-Q skyrmion crystals (SkXs) with Q = 2 and Q = 3.As a result of the emergent magnetic field, the Landau-level …
Web14 de abr. de 2024 · Furthermore, the High Chern number QAHE with C = N was achieved in ultrathin MBT (2 N septuple layers) with alternate stacking orders, which have … 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 …
Web9 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) … Web23 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 …
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 …
Web27 de dez. de 2024 · High Chern number van der Waals magnetic topological multilayers MnBi. Te. /hBN. Mihovil Bosnar, Alexandra Yu. Vyazovskaya, Evgeniy K. Petrov, Evgueni V. Chulkov, Mikhail M. Otrokov. Chern insulators are two-dimensional magnetic topological materials that conduct electricity along their edges via the one-dimensional chiral modes. … how to set up xiaomi wifi repeaterWeb28 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 … nothobranchius sainthouseiWeb5 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 … how to set up xp pen 15.6 proWebHá 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 … nothocerosWeb23 de jul. de 2024 · Here, we report the experimental discovery of high-Chern-number QHE (C=2) without Landau levels and C=1 Chern insulator state displaying nearly … nothochrysa fulvicepsWeb10 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 … how to set up xlookup in excelWeb4 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 ... nothocestrum