Binding a hopfion in a chiral magnet nanodisk

WebMar 31, 2024 · Depending on the origin of DMI, i.e., bulk or interfacial DMI, Bloch or Neel hopfions are stabilized in magnetic nanodisks. The numerical studies of Bloch hopfions … WebJun 5, 2024 · Hopfions are three-dimensional (3D) topological textures characterized by the integer Hopf invariant . Here, we present the realization of a zero--field, stable hopfion …

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Hopfions are three-dimensional (3D) topological textures characterized by the integer Hopf invariant QH. Here we present the realization of a zero-field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by two films with perpendicular magnetic anisotropy. The preimages of the spin texture and ... WebSep 7, 2024 · Fig. 1: Skyrmion braid in a chiral magnet. a – d Skyrmion braid comprising six skyrmion strings represented by isosurfaces of m z = 0. The color modulation at the edges of the box indicates the ... birthday dumpling https://corbettconnections.com

Chiral magnet - Hopfion

Weblink.aps.org WebShuang Li, Jing Xia, Laichuan Shen, Xichao Zhang, Motohiko Ezawa, Yan Zhou, Mutual conversion between a magnetic Neel hopfion and a Neel toron Phys. Rev. B 105, 174407 (2024) ... 13. M. Ezawa, Compact Merons and Skyrmions in Thin Chiral Magnetic Films Phys. Rev. B 83, 100408(R) (2011) ... Spin Amplifier and Spin Diode in Graphene … WebHere we present the realization of a zero-field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by two films with perpendicular magnetic anisotropy. The preimages of the spin texture and numerical calculations of Q H show that the hopfion has Q H =1 . Furthermore, another nontrivial state that ... daniweatherholt

[1806.01682v2] Binding a Hopfion in Chiral Magnet Nanodisk

Category:Binding a hopfion in a chiral magnet nanodisk (Journal Article)

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Binding a hopfion in a chiral magnet nanodisk

Emergent Magnetomultipoles and Nonlinear Responses of a Magnetic Hopfion

WebThe hopfion solutions for chiral magnet were demonstrated in [J.-S.B. Tai, I.I. Smalyukh "Three-dimensional crystals of adaptive knots", Science 365, 1449 (2024) ref, … WebDec 22, 2024 · Here we present the realization of a zero-field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by two films with perpendicular magnetic anisotropy.

Binding a hopfion in a chiral magnet nanodisk

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WebFIG. 1. (a) Iso-spin contours with Sz = 0 for a magnetic hopfion with QH = 1. Inset is the iso-spin contours of S = +x̂ (red) and S = −x̂ (cyan) that demonstrate the unity linking number of the hopfion. (b) and (c) are the cross-sections of hopfion onto xy (b) and yz (c) planes, as depicted by the grey arrows. At the initial state, the torus midplane lies in the … WebMar 6, 2024 · K41.00003: Binding a Hopfion in Chiral Magnet Nanodisk Yizhou Liu, Roger Lake, Jiadong Zang : Wednesday, March 6, 2024 9:00AM - 9:12AM: K41.00004: Visualizing Chiral Ferrimagnetism in Amorphous GdCo Films Robert Streubel, Charles-Henri Lambert, Noah Kent, Peter Ercius, Alpha N'Diaye, Colin Ophus, Sayeef …

WebMar 10, 2024 · Theoretical models suggest that magnetic Hopfions can be stabilized in frustrated or chiral magnetic systems, and target skymions can be transformed into … WebJun 17, 2024 · A magnetic Hopfion is a three-dimensional topological soliton that consists of a closed loop of a twisted magnetic Skyrmion string. The results of numerical simulations are presented that demonstrate the existence of a stable Hopfion in a nanocylinder of a chiral magnet and an explicit analytic expression is shown to provide a reasonable …

WebDec 1, 2024 · Binding a hopfion in a chiral magnet nanodisk. Phys Rev B (2024) N. Kent et al. Creation and observation of Hopfions in magnetic multilayer systems. Nat. Commun. (2024) F. Zheng et al. Magnetic skyrmion braids. Nat. Commun. (2024) R. Lavrijsen et al. Magnetic ratchet for three-dimensional spintronic memory and logic. WebNov 1, 2024 · In this article, we present the realization of a zero-field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by …

WebOct 27, 2024 · In this configuration, the external field will decrease the magnetic structure size for both bobbers and tubes in the bottom layer, while increasing it in the top layer. As reported for 2D skyrmions, smaller sizes can increase frequencies in a specific band of breathing modes lying around 25 GHz. 45 45.

WebJun 5, 2024 · Here we present the realization of a zero-field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by two films … birthday earringsWebBinding a hopfion in a chiral magnet nanodisk. Authors: Liu, Yizhou; Lake, Roger K.; Zang, Jiadong Publication Date: 2024-11-28 NSF-PAR ID: 10080376 Journal Name: … birthday easter cardsWebMar 30, 2024 · Binding a hopfion in a chiral magnet nanodisk. Yizhou Liu, R. Lake, J. Zang; Physics. ... We study scattering of itinerant electrons off a magnetic hopfion in a three-dimensional metallic magnet described by a magnetization vector S(r). A hopfion is a confined topological soliton of S(r) ... birthday earthhttp://hopfion.com/incommensurate.html dani walsh bloomfield townshipWebJan 11, 2024 · Binding a hopfion in a chiral magnet nanodisk. Article. Nov 2024; Yizhou Liu; Roger Lake; Jiadong Zang; Hopfions are three-dimensional (3D) topological textures characterized by the integer Hopf ... birthday easter cakeWebNov 27, 2024 · Hopfions are three-dimensional (3D) topological textures characterized by the integer Hopf invariant ${Q}_{H}$. Here we present the realization of a zero-field, … dan i will not be ignoreddani windsor nc