Skyrmions driven by intrinsic magnons

Author: vctv

August undefined, 2024

WebMar 11, 2024 · We study the dynamics of a skyrmion in a magnetic insulating nanowire in the presence of time-dependent oscillating magnetic field gradients. These ac fields act as a net driving force on the skyrmion via its own intrinsic magnetic excitations. In a microscopic quantum field theory approach we include the unavoidable coupling of the external field to … WebWe study the dynamics of a skyrmion in a magnetic insulating nanowire in the presence of time-dependent oscillating magnetic field gradients. These ac fields act as a net driving …

Nonequilibrium Response of Nanosystems Coupled to Driven …

WebJun 24, 2024 · Skyrmions in B20-type compounds were known to be driven by low current density as compared with current-driven ferromagnetic domain wall motion [ 11 ], and recently current drive of skyrmions have been successfully demonstrated for the Co-Zn-Mn alloy at room temperature. WebMay 1, 2015 · An Inside View of Magnetic Skyrmions. Atomic-scale imaging reveals the shape and size of a technologically interesting magnetic quasiparticle. Figure 1:A skyrmion is a pointlike region of reversed … gold service lloyds

APS -APS March Meeting 2024 - Event - Nonequilibrium Skyrmion …

WebOct 5, 2024 · In order to obtain skyrmion clusters, we place in an initially saturated configuration in the + z -direction, N circular and localized antiparallel regions (in the - z -direction). This magnetic configuration is relaxed by minimizing the total energy U [ m] until the condition m × H eff = 0 is satisfied and a steady state is reached (see Fig. 1 b). WebDec 1, 2024 · Compare with the electric current driven skyrmions, in which the skyrmion will be destroyed in higher current density , the temperature gradient will not annihilate the moving skyrmion at the boundary. This robust moving topological structure has great significance for practical applications. ... Skyrmions driven by intrinsic magnons. Phys. … WebFeb 5, 2016 · A magnetic skyrmion is a topological spin texture of which the spins wrap around a unit sphere 1,2,3,4.A well-known example of skyrmion system is the chiral … gold service chauray

Phys. Rev. Lett. 120, 237203 (2024) - Skyrmions Driven by …

WebApr 14, 2024 · Charge and spin density waves are typical symmetry broken states of quasi one-dimensional electronic systems. They demonstrate such common features of all incommensurate electronic crystals as a spectacular non-linear conduction by means of the collective sliding and susceptibility to the electric field. These phenomena ultimately … WebSolid-State Lithium Ion Supercapacitor for Voltage Control of Skyrmions Nano Lett. (IF 12.262) Pub Date : ... Visualization of Moiré Magnons in Monolayer Ferromagnet Nano Lett. (IF 12.262) ... Electrical Transport Properties Driven by Unique Bonding Configuration in γ-GeSe Nano Lett. gold service hsbcWebJul 15, 2024 · We experimentally demonstrate the reversible motion of skyrmions driven by the controlled thermal fluctuations in a chiral magnet FeGe. A temperature gradient applied to the chiral magnet not only induces a flow of electrons but also excites a flow of magnons. Consequently, it is found that the skyrmion shows directional thermal diffusion toward … headphone bose wireless

"WebThese ac fields act as a net driving force on the Skyrmion via its own intrinsic magnetic excitations. In a microscopic quantum field theory approach, we include the unavoidable … " - Skyrmions driven by intrinsic magnons

Skyrmions driven by intrinsic magnons

Materials Free Full-Text Theoretical Investigation of Skyrmion ...

WebJun 8, 2024 · Skyrmions Driven by Intrinsic Magnons Authors: Christina Psaroudaki California Institute of Technology Daniel Loss University of Basel Abstract and Figures We … WebOct 25, 2024 · In this article, we present a numerical study on stabilization and eigenmodes of the so-called skyrmion chiral spin texture in nanometric dots. The first aim of this study is to identify the appropriate multilayer in a set of Pt/Co/MgO structures with different Co thicknesses that have been previously experimentally characterized. Stabilization occurs …

Did you know?

WebWe study the dynamics of a Skyrmion in a magnetic insulating nanowire in the presence of time-dependent oscillating magnetic field gradients. These ac fields act as a net driving … Webgroup and their collaborators reveal the dynamics of skyrmions driven by magnons in confined geometries. They find that the position of a skyrmion can be efficiently manipulated by the magnon, ... The atoms in certain materials carry their own intrinsic magnetism, with each atom acting like a bar magnet. When these miniature magnets are …

WebJun 8, 2024 · These ac fields act as a net driving force on the Skyrmion via its own intrinsic magnetic excitations. In a microscopic quantum field theory approach, we include the unavoidable coupling of the external field to the magnons, which gives rise to time … WebMay 29, 2015 · Figure 3. Fast skyrmion motion on the kerbed track. ( a) The skyrmion speed as a function of the kerb width for various applied current density. Inset is a cross …

WebAug 13, 2024 · In this paper, we investigate extensively the dynamics of skyrmion motion driven by magnons in an antiferromagnet using the collective coordinate theory, focusing … WebEnter the email address you signed up with and we'll email you a reset link.

WebAug 10, 2024 · The bilayer skyrmions driven by the injected magnons move simultaneously, and the skyrmion helicity η changes with time at a uniform speed, demonstrating a stable …

WebOne particular form of skyrmions is magnetic skyrmions, found in magnetic materials that exhibit spiral magnetism due to the Dzyaloshinskii–Moriya interaction, double-exchange … headphone brands in singaporeWebMar 2, 2024 · The unavoidable coupling of the external field to the magnons gives rise to time-dependent dissipation for the skyrmion, with measurable consequences on the skyrmion path. These ac fields act as a net driving force on the skyrmion via its own intrinsic magnetic excitations. headphone brands bestWebSep 30, 2024 · The interaction between skyrmions and magnons has been widely studied in magnon–skyrmion scattering [12, 13], magnon-driven skyrmion motion [14, 15], skyrmion-based magnonic crystal [16, 17], and skyrmion-induced magnon frequency comb . Recently, the conversion between skyrmions and magnons has been attracting much attention. gold service hsbc hong kongWebSep 3, 2024 · driven skyrmion dynamics, beneﬁting future spintronic and magnonic applications. However, the interplay between po-larized magnons and AFM skyrmions could be more complex than supposed earlier [37]. Theoretically, linearly polarized magnons could be decomposed into magnon bands with el-liptical polarizations, which breaks the mirror … headphone break in trackWebMar 11, 2024 · These ac fields act as a net driving force on the skyrmion via its own intrinsic magnetic excitations. In a microscopic quantum field theory approach we include the … gold service cleaningWebMay 26, 2024 · Wave fields with spiral phase dislocations carrying orbital angular momentum (OAM) have been realized in many branches of physics, such as for photons, sound waves, electron beams, and neutrons. However, the OAM states of magnons (spin waves)—the building block of modern magnetism—and particularly their implications have … headphone brisbaneWebThese ac fields act as a net driving force on the Skyrmion via its own intrinsic magnetic excitations. In a microscopic quantum field theory approach, we include the unavoidable … headphone brands cheap