Magnon edge states

Author: hilc

August undefined, 2024

WebNov 29, 2024 · We propose an effective scheme for manipulating the topological edge states in a tunable magnon chain with yttrium iron garnet spheres. In this setup, the … WebAug 7, 2024 · Using the spin-wave theory we show that the ferromagnetic phase of the extended Kitaev-Heisenberg model hosts topological excitations. Along the zigzag edge of the honeycomb lattice we find chiral edge states, which are protected by a nonzero Chern number topological invariant.

Phys. Rev. B 90, 024412 (2014) - Edge states in …

WebJul 14, 2024 · The so-called bulk–edge correspondence relation states that, at the boundary of a (magnonic) system, the number of (magnon) edge modes is equivalent to the difference between the winding numbers ... WebDec 13, 2024 · At integer filling factor v = ±1, it shows quantum Hall ferromagnetism, with an insulating bulk and spin-polarized edge states 4, 5. In this state, the competition between Zeeman energy and... how to get upgrade pokemon go

Analytical study of the edge states in the bosonic Haldane …

WebOct 11, 2024 · [1910.05214] Chiral Magnonic Edge States in Ferromagnetic Skyrmion Crystals Controlled by Magnetic Fields Condensed Matter > Strongly Correlated Electrons [Submitted on 11 Oct 2024] Chiral Magnonic Edge States in Ferromagnetic Skyrmion Crystals Controlled by Magnetic Fields Sebastian A. Diaz, Tomoki Hirosawa, Jelena … WebSep 7, 2024 · We present the bulk-edge correspondence for the magnons in a honeycomb lattice with an armchair or a zigzag boundary. Furthermore, we find Tamm-like edge states due to the intrinsic on-site interactions along the boundary sites. Our results may have significant implications to magnon transport properties in the 2D magnets at low … WebNov 29, 2024 · Here we investigate the topological edge states of the system numerically by considering the case where the total magnon number N = 50, and the coupling parameters , , J = 1 and δ = 0.2. In figure 3 (a), we show that two near-zero eigen values could be observed. johnson and johnson headquarters in india

Electrical generation and detection of spin waves in a ... - Science

Topological Magnons and Edge States in …

WebApr 28, 2024 · the edge state and their dependence with the DMI strength. Our findings extend the predictions using topological arguments and they allow size-dependent confirmation from possible experiments. Keywords: magnon edge states, topological magnon insulators, magnonics, magnon spintronics (Some figures may appear in … WebApr 4, 2024 · Quantum simulation of an exotic quantum critical point in a two-site charge Kondo circuit. The quantum critical behaviour of a two-impurity Kondo model variant is observed in a system of hybrid ... how to get upgrades in cookie clickerWebElectric Reliability. MGE remains a national leader in electric reliability. johnson and johnson head office uk

"WebAug 2, 2024 · Abstract. We study the magnon spectrum of stacked zig-zag chains of point magnetic dipoles with an easy axis. The anisotropy due to the dipolar interactions and the two-point basis of the zig-zag chain unit cell combine to give rise to topologically non-trivial magnon bands in 2D zig-zag lattices. Adjusting the distance between the two ... " - Magnon edge states

Magnon edge states

WebFeb 13, 2024 · In this work, we show that in a non-equilibrium state, in which the magnetization is pointing against the external magnetic field, the topologically-protected … WebFeb 13, 2024 · In this work, we show that in a non-equilibrium state, in which the magnetization is pointing against the external magnetic field, the topologically-protected chiral edge states in a magnon...

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WebHome - MGE Energy, Inc. - Madison, Wisconsin. Red Barn Wind Farm Delivering Locally Generated Clean Energy. Learn more. WebMay 10, 2024 · Floquet spin filtered magnon edge states (red lines) for (a) case (i) and (b) case (ii). Insets show magnification of the Floquet spin filtered magnon edge states. Insets show magnification of the ...

WebMGE provides electricity to 161,000 customers in the southern Wisconsin municipalities of: Madison. McFarland. Monona. Middleton. Fitchburg. Cross Plains. Other Dane County … WebMay 9, 2024 · We find topologically protected chiral magnonic edge states over a wide range of magnetic fields and Dzyaloshinskii-Moriya interaction values. Moreover, and of particular importance for...

WebFeb 1, 2024 · We have analyzed the edge states in a ferromagnetic honeycomb lattice with armchair edges and an external on-site potential at the outermost sites. In contrast with graphene, our system without external on-site potential reveals two edge states.

WebMay 10, 2024 · Topological Magnons and Edge States in Antiferromagnetic Skyrmion Crystals Phys Rev Lett. 2024 May 10;122 (18):187203. doi: … johnson and johnson head officeWebJan 26, 2024 · Figure 8 shows the edge state only appearing in one edge for a given in-gap eigenfrequency. ... Henk, J. & Mertig, I. Edge states in topological magnon insulators. Phys. Rev. B 90, 024412 (2014). johnson and johnson hand soapWebAug 4, 2024 · Our study offers insights to understand and control the magnon edge states governed by the interplay between edge defects induced by the spin-spin … johnson and johnson hair shampooWebMar 25, 2016 · Edge states in topological magnon insulators A. Mook, J. Henk, I. Mertig Physics 2014 For magnons, the Dzyaloshinskii-Moriya interaction accounts for spin-orbit interaction and causes a nontrivial topology that allows for topological magnon insulators. In this theoretical… 124 PDF johnson and johnson headquarters buildingWebSep 7, 2016 · Abstract. Quantum Monte Carlo (QMC) simulation has uncovered nonzero Berry curvature and bosonic edge states in the hardcore-Bose–Hubbard model on the … johnson and johnson headquarters usaWebNevertheless, since topological magnon edge states contribute to the transverse thermal Hall conductivity, it has recently been demonstrated that the nontrivial topological nature of the magnonic bands can be manifested experimentally by the thermal Hall effect even in a charge-neutral spin system (23–26). how to get upgrades on flightsWebJul 18, 2014 · Edge magnons in a kagome lattice. The spectral density of states of an edge site is shown as color scale [“local density of states” (LDOS), right] for the edge geometries of Fig. 2 [top row, (a)–(d)] and Fig. 2 [bottom row, (e)–(h)] in the entire edge Brillouin … johnson and johnson headquarters wisconsin