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Topological spin textures, like skyrmions, have significant potential for spintronics applications. The main purpose of this work is to study further the topological spin textures on the discrete lattice with magnetic fields. In this work,…

强关联电子 · 物理学 2022-04-26 Lipeng Jin , Bin Xi , Yongjun Liu

We investigate the interaction of magnetic vortices and skyrmions with a spin-polarized current. In a square lattice, fixed classical spins and quantum itinerant electrons, evolve according to the coupled Landau-Lifshitz and Schr\"odinger…

介观与纳米尺度物理 · 物理学 2014-04-22 Ricardo Gabriel Elias , Alberto D. Verga

Magnetic skyrmions, topologically stable spin textures, have attracted significant interest due to their potential applications in information storage and processing. They are typically stabilized by the Dzyaloshinskii-Moriya interaction in…

其他凝聚态物理 · 物理学 2026-01-05 A. Vela Wac , F. A. Gómez Albarracín , D. C. Cabra

Spin textures with nontrivial topology, such as vortices and skyrmions, have attracted attention as a source of unconventional magnetic, transport, and optical phenomena. Recently, a new generation of topological spin textures has been…

强关联电子 · 物理学 2021-11-08 Satoru Hayami , Yukitoshi Motome

The recent experimental confirmation of a transformation between meron and skyrmion topological spin textures in the chiral magnet Co$_8$Zn$_9$Mn$_3$ [S.-Z. Lin et al., Phys. Rev. B 91, 224407 (2015); X. Z. Yu et al., Nature 564, 95 (2018)]…

强关联电子 · 物理学 2021-03-05 Zhentao Wang , Ying Su , Shi-Zeng Lin , Cristian D. Batista

Magnetic skyrmions are topologically protected spin structures that naturally emerge in magnetic materials. While a vast amount of effort has gone into the study of their properties, their counterpart of opposite topological charge, the…

强关联电子 · 物理学 2021-10-01 Juan C. Criado , Peter D. Hatton , Sebastian Schenk , Michael Spannowsky , Luke A. Turnbull

We develop a multiscale approach to magnetoelectric effects, bridging atomistic and continuum models, with all parameters determined from ab initio electronic structure calculations. We show that the parameters of the model are equivalent…

材料科学 · 物理学 2025-09-30 Alexander Edström , Paolo Barone , Silvia Picozzi , Massimiliano Stengel

Magnetic vortices and skyrmions represent two fundamental classes of topological spin textures in ferromagnetic systems, distinguished by their unique stabilization mechanisms and degrees of freedom. Vortices, characterized by circular…

计算物理 · 物理学 2025-03-21 Haobing Zhang , Xintao Fan , Weiwei Wang

We develop a general theory to classify magnetic skyrmions and related spin textures in terms of their magnetoelectric multipoles. Since magnetic skyrmions are now established in insulating materials, where the magnetoelectric multipoles…

介观与纳米尺度物理 · 物理学 2022-06-15 Sayantika Bhowal , Nicola A. Spaldin

We study the spin textures of a confined two-dimensional electron in inhomogeneous magnetic fields. These fields can either be external or effective fields due to a background magnetic texture in the plane in which the electron resides. By…

介观与纳米尺度物理 · 物理学 2020-03-12 Amin Naseri , Shenglin Peng , Wenchen Luo , Jesko Sirker

Magnetic skyrmions (or vortices) are spatially inhomogeneous spin textures localized in nanoscale cylindrical regions. Topological protection and small size make skyrmions especially attractive for the study of spin topology and…

介观与纳米尺度物理 · 物理学 2020-08-04 Alexei N. Bogdanov , Christos Panagopoulos

Topologically protected swirl of the magnetic texture known as the Skyrmion has become ubiqui- tous in both metallic and insulating chiral magnets. Meanwhile the existence of its three-dimensional analogue, known as the magnetic monopole,…

强关联电子 · 物理学 2016-08-24 Seong-Gyu Yang , Ye-Hua Liu , Jung Hoon Han

Monoaxial chiral magnets can form a peculiar noncollinear spin structure called the chiral soliton lattice in an applied magnetic field perpendicular to the helical axis. We study magnetic properties and electrical transport in the chiral…

强关联电子 · 物理学 2017-07-12 Shun Okumura , Yasuyuki Kato , Yukitoshi Motome

Topological spin structures, such as magnetic skyrmions, hold great promises for data storage applications, thanks to their inherent stability. In most cases, skyrmions are stabilized by magnetic fields in non-centrosymmetric systems…

材料科学 · 物理学 2020-12-02 Danila Amoroso , Paolo Barone , Silvia Picozzi

A mutual interplay between the charge and spin degrees of freedom in itinerant magnets leads to a plethora of topological spin textures, such as magnetic skyrmion and vortex crystals, in both centrosymmetric and noncentrosymmetric hosts.…

强关联电子 · 物理学 2022-11-15 Kaito Kobayashi , Satoru Hayami

The noncollinear spin textures provide promising avenues to stabilize exotic magnetic phases and excitations. They have attracted vast attention owning to their nontrivial band topology in the past decades. Distinct from the conventional…

强关联电子 · 物理学 2024-05-10 Ken Chen , Qiang Luo , Bin Xi , Hong-Gang Luo , Jize Zhao

The Kondo-lattice model describes a typical spin-charge coupled system in which localized spins and itinerant electrons are strongly coupled via exchange interactions and exhibits a variety of long-wavelength magnetic orders originating…

强关联电子 · 物理学 2025-02-21 Masahito Mochizuki , Rintaro Eto

Skyrmions are topological solitons that emerge in many physical contexts. In magnetism, they appear as textures of the spin-density field stabilized by different competing interactions and characterized by a topological charge that counts…

介观与纳米尺度物理 · 物理学 2020-01-15 Hector Ochoa , Yaroslav Tserkovnyak

Magnetic interactions underpin a plethora of magnetic states of matter, hence playing a central role both in fundamental physics and for future spintronic and quantum computation devices. The Dzyaloshinskii-Moriya interaction, being chiral…

介观与纳米尺度物理 · 物理学 2019-08-19 Sascha Brinker , Manuel dos Santos Dias , Samir Lounis

The spontaneous magnetic orders arising in ferro-, ferri- and antiferromagnets stem from various magnetic interactions. Depending on the interplay and competition among the Heisenberg exchange interaction, Dzyaloshinskii-Moriya exchange…

应用物理 · 物理学 2021-04-07 Haiming Yu , Jiang Xiao , Helmut Schultheiss
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