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Related papers: The emergence of magnetic skyrmions

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Using the field theory method and coherent spin state approach, we investigate properties of magnetic solitons in spacetime while focussing on 1D kinks, 2D and 3D skyrmions. We also study the case of a rigid skyrmion dissolved in a magnetic…

Mesoscale and Nanoscale Physics · Physics 2022-07-08 Lalla Btissam Drissi , El Hassan Saidi , Mosto Bousmina , Omar Fassi-Fehri

Skyrmions are vortex-like textures of magnetic moments found in some magnetically ordered materials. Here we describe the origin of the skyrmion and discuss the experimental realization of skyrmions in magnetic materials, the dynamic…

Strongly Correlated Electrons · Physics 2022-02-23 Tom Lancaster

Skyrmions were originally introduced in Particle Physics as a possible mechanism to explain the stability of particles. Lately the concept has been applied in Condensed Matter Physics to describe the newly discovered topologically protected…

Mesoscale and Nanoscale Physics · Physics 2020-05-18 Sayantika Bhowal , S. Satpathy , Pratik Sahu

This article aims at giving a general presentation of spintronics, an important field of research developing today along many new directions in physics of condensed matter. We tried to present simply the physical phenomena involved in…

Mesoscale and Nanoscale Physics · Physics 2019-12-02 Albert Fert , Frédéric Nguyen van Dau

We propose a generalization of the theory of magnetic Skyrmions in chiral magnets in two dimensions to a higher-dimensional theory with magnetic Skyrmions in three dimensions and an $S^3$ target space, requiring a 4-dimensional…

Mesoscale and Nanoscale Physics · Physics 2025-03-10 Sven Bjarke Gudnason , Stefano Bolognesi , Roberto Menta

Magnetic skyrmions are small swirling topological defects in the magnetization texture stabilized by the protection due to their topology. In most cases they are induced by chiral interactions between atomic spins existing in…

Materials Science · Physics 2017-12-21 Albert Fert , Nicolas Reyren , Vincent Cros

Topological solitons are crucial to many branches of physics, such as models of fundamental particles in quantum field theory, information carriers in nonlinear optics, and elementary entities in quantum and classical computations. Chiral…

Mesoscale and Nanoscale Physics · Physics 2023-05-24 X. R. Wang , X. C. Hu

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…

Mesoscale and Nanoscale Physics · Physics 2020-08-04 Alexei N. Bogdanov , Christos Panagopoulos

Magnetic solitons have recently attracted significant attention due to their intricate physical properties and potential applications in information processing. The majority of the studies in this field, however, are focused on a particular…

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…

Mesoscale and Nanoscale Physics · Physics 2020-01-15 Hector Ochoa , Yaroslav Tserkovnyak

Recent years have witnessed an enormous rise in research interest in magnetic skyrmions owing to their capability to improve over contemporary spintronic devices. An overview of the various magnetic interactions responsible for the…

The field of magnetic skyrmions has been actively investigated across a wide range of topics during the last decades. In this topical review, we mainly review and discuss key results and findings in skyrmion research since the first…

Chiral magnetic skyrmions are topological solitons, of significant physical interest, arising in ferromagnets described by a micromagnetic energy including a chiral (Dzyaloshinskii-Moriya) interaction term. We show that for small chiral…

Analysis of PDEs · Mathematics 2020-04-03 Stephen Gustafson , Li Wang

We report the discovery of attractive magnetic skyrmions and their clusters in non-centrosymmetric ferromagnets. These three-dimensional solitons have been predicted to exist in the cone phase of chiral ferromagnets (J. Phys: Condens.…

Mesoscale and Nanoscale Physics · Physics 2018-04-18 J. C. Loudon , A. O. Leonov , A. N. Bogdanov , M. Ciomaga Hatnean , G. Balakrishnan

We study an axion soliton, which weakly interacts with background matter and magnetic fields. A mirror-symmetric soliton, for which the magnetic flow is due to secondary magnetic helicity invariant, is described by the Iroshnikov-Kreichnan…

High Energy Physics - Theory · Physics 2025-11-14 P. M. Akhmetiev , M. S. Dvornikov

We review our current understanding of galactic dynamo theory, paying particular attention to numerical simulations both of the mean-field equations and the original three-dimensional equations relevant to describing the magnetic field…

Astrophysics of Galaxies · Physics 2014-12-12 Axel Brandenburg

Axisymmetric magnetic lines of nanometer sizes (chiral vortices or skyrmions) have been predicted to exist in a large group of noncentrosymmetric crystals more than two decades ago. Recently these magnetic textures have been directly…

Mesoscale and Nanoscale Physics · Physics 2016-08-14 N. S. Kiselev , A. N. Bogdanov , R. Schäfer , U. K. Rößler

Magnetic droplet solitons are dynamical magnetic textures that form due to an attractive interaction between spin waves in thin films with perpendicular magnetic anisotropy. Spin currents and the spin torques associated with these currents…

Mesoscale and Nanoscale Physics · Physics 2020-09-10 Ferran Macià , Andrew D. Kent

Magnetic droplets are nanoscale, non-topological, dynamical solitons that can be nucleated in different spintronic devices, such as spin torque nano-oscillators (STNOs) and spin Hall nano-oscillators (SHNOs). This chapter first briefly…

Mesoscale and Nanoscale Physics · Physics 2024-11-12 Martina Ahlberg , Sheng Jiang , Roman Khymyn , Sunjae Chung , Johan Åkerman

The Skyrme-particle, the $skyrmion$, was introduced over half a century ago and used to construct field theories for dense nuclear matter. But with skyrmions being mathematical objects - special types of topological solitons - they can…

Strongly Correlated Electrons · Physics 2014-11-06 O. Janson , I. Rousochatzakis , A. A. Tsirlin , M. Belesi , A. A. Leonov , U. K. Roessler , J. van den Brink , H. Rosner
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