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Related papers: Phononic Skyrmions

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Skyrmions are important in topological quantum field theory for being soliton solutions of a nonlinear sigma model and in information technology for their attractive applications. Skyrmions are believed to be circular and stripy spin…

Mesoscale and Nanoscale Physics · Physics 2021-01-27 X. R. Wang , X. C. Hu , H. T. Wu

We present a novel approach to understanding the extraordinary diversity of magnetic skyrmion solutions. Our approach combines a new classification scheme with efficient analytical and numerical methods. We introduce the concept of chiral…

The development of vector optical fields has brought forth numerous applications. Among these optical fields, a particular class of vector vortex beams has emerged, leading to the emergence of intriguing optical skyrmion fields…

Optics · Physics 2024-10-10 Liwen Wang , Sheng Liu , Geng Chen , Yongsheng Zhang , Chuanfeng Li , Guangcan Guo

We investigate skyrmion configuration and dynamics in antiferromagnetic thin disks. It is shown that the skyrmion acquires oscillatory dynamics with well-defined amplitude and frequency which may be controlled on demand by the…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 R. L. Silva , R. C. Silva , W. A. Moura-Melo , A. R. Pereira

Topologically secure spin configurations, such as skyrmions and bimerons, offer a compelling alternative to conventional magnetic domains, potentially enabling high-density, low-power spintronic devices. These pseudo-particles,…

Mesoscale and Nanoscale Physics · Physics 2025-11-14 Martín Latorre , Joaquín Barra , Juan Pablo Vera , Joaquín Martinez , Mario Castro , Sebastián Allende , Alvaro S. Nunez

Twistronics, the manipulation of Moir\'e superlattices via the twisting of two layers of two-dimensional (2D) materials to control diverse and nontrivial properties, has recently revolutionized the condensed matter and materials physics.…

Magnetic skyrmions are nanoscale spin textures that their thermal stability originates from the nontrivial topology in nature. Recently, a plethora of topological spin textures have been theoretically predicted or experimentally observed,…

Mesoscale and Nanoscale Physics · Physics 2024-04-08 Yu Li , Yuzhe Zang , Runze Chen , Christoforos Moutafis

To face the challenges lying beyond current CMOS-based technology, new paradigms for information processing are required. Magnonics proposes to use spin waves to carry and process information, in analogy with photonics that relies on light…

Topological defects with symmetry-breaking phase transitions have captured much attention. Vortex generated by topological defects exhibits exotic properties and its flow direction can be switched by altering the spin configurations.…

Classical Physics · Physics 2018-07-18 Jiujiu Chen , Hongbo Huang , Shaoyong Huo , Zhuhua Tan , Xiaoping Xie , Jianchun Cheng

Topological insulators, which allow edge or interface waves but forbid bulk waves, have revolutionized our scientific cognition of acoustic/elastic systems. Due to their nontrivial topological characteristics, edge (interface)waves are…

Applied Physics · Physics 2021-04-28 Weijian Zhou , Weiqiu Chen , Michel Destrade , C. W. Lim

Magnetic skyrmions have emerged as promising elements for encoding information towards biomimetic computing applications due to their pseudoparticle nature and efficient coupling to spin currents. A key hindrance for skyrmionic devices is…

Materials Science · Physics 2025-01-13 Xiaoye Chen , Tommy Tai , Hui Ru Tan , Hang Khume Tan , Royston Lim , Pin Ho , Anjan Soumyanarayanan

Magnetic skyrmions are topologically protected local magnetic solitons that are promising for storage, logic or general computing applications. In this work, we demonstrate that we can use a skyrmion device based on [W/CoFeB/MgO] 1 0…

Understanding of fundamental physics of plasmonic instabilities is the key issue for the design of a new generation of compact electronic devices required for numerous THz applications. Variable width plasmonic devices have emerged as…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 G. R. Aizin , J. Mikalopas , M. Shur

In magnetic materials, skyrmions are nanoscale regions where the orientation of electron spin changes in a vortex-type manner. Here we show that spin-orbit coupling in a focused vector beam results in a skyrmion-like photonic spin…

Optics · Physics 2019-07-24 Luping Du , Aiping Yang , Anatoly V. Zayats , Xiaocong Yuan

Magnetic skyrmions emerge as promising quasi-particles for encoding information in nextgeneration spintronic devices. Their innate flexibility in shape is essential for the applications although they were often ideally treated as rigid…

Materials Science · Physics 2024-12-09 Zhen-Yu Tan , Ji-Pei Chen , Yu-Ke Shi , Yuan Chen , Ming-Hui Qin , Xing-Sen Gao , Jun-Ming Liu

It has been understood in the past a decade or two that the dynamics of spin or magnetization in ultrafast regime necessarily involves inertial term that reflects the reluctance to follow abrupt or sudden change in the spin or magnetization…

Mesoscale and Nanoscale Physics · Physics 2025-12-03 Imam Makhfudz

A magnetic skyrmion induced on a ferromagnetic topological insulator (TI) is a real-space manifestation of the chiral spin texture in the momentum space, and can be a carrier for information processing by manipulating it in tailored…

Silicon-based integrated photonics has demonstrated significant advances in miniaturization and performance, yet critical challenges remain in achieving efficient on-chip communication at high bandwidths. Plasmonic devices on silicon and…

Applied Physics · Physics 2025-03-26 Nasir Alfaraj , Amr S. Helmy

Magnetic skyrmions are chiral spin structures with non-trivial topology that comprise two-dimensional quasi-particles and are promising information carriers for data storage and processing devices. Skyrmion lattices in magnetic thin films…

Miniaturization is an essential element in the development of information processing technologies and is also one of the main determinants of the usability of the tested artificial neural networks. It is also a key element and one of the…

Mesoscale and Nanoscale Physics · Physics 2025-12-01 Oleksandr Pastukh , Piotr Graczyk , Mateusz Zelent , Lukasz Laskowski , Maciej Krawczyk