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Broken inversion symmetry in combination with the spin-orbit interaction generates a finite Dzyaloshinskii-Moriya interaction (DMI), which can induce noncollinear spin textures of chiral nature. The DMI is characterized by an interaction…

Mesoscale and Nanoscale Physics · Physics 2020-09-09 Flaviano José dos Santos , Manuel dos Santos Dias , Samir Lounis

In 2D XY ferromagnet the dipole force induces a strong interaction between spin-waves in the long-wavelength limit. The major effect of this interaction is the transformation of a propagating spin-wave into a diffusion mode. We study the…

Condensed Matter · Physics 2009-10-28 Ar. Abanov , A. Kashuba , V. L. Pokrovsky

We propose an effective low-energy theory for ferromagnetic Hall states. It describes the charge degrees of freedom, on the edge, by a (1 + 1) dimensional chiral boson theory, and the spin degrees of freedom by the (2 + 1)dimensional…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 M. V. Milovanovic

We review and extend the theory of chiral pumping of spin waves by magnetodipolar stray fields that generate unidirectional spin currents and asymmetric magnon densities. We illustrate the physical principles by two kinds of chiral…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 Tao Yu , Gerrit E. W. Bauer

This work explores spin-wave dynamics in magnetic nanotubes, focusing on the influence of the Dzyaloshinskii-Moriya interaction and curvature. The study uses analytical methods to examine how these factors influence the emergence of…

Mesoscale and Nanoscale Physics · Physics 2025-04-17 B. Mimica-Figari , P. Landeros , R. A. Gallardo

Nanoscale magnetic systems have been studied extensively in various geometries, such as wires of different cross-sections, arrays of wires, dots, rings, etc. Such systems have interesting physical properties and promising applications in…

Mesoscale and Nanoscale Physics · Physics 2019-04-16 J. Rychły , V. S. Tkachenko , J. W. Kłos , A. Kuchko , M. Krawczyk

This paper concerns an investigation of the spin wave excitations in magnetic nanoparticles. We provide a detailed derivation of the theoretical method for the determination of the normal modes of confined magnetic systems based on a…

Mesoscale and Nanoscale Physics · Physics 2017-03-21 Sławomir Mamica

Chiral light-matter interactions supported by topological edge modes at the interface of valley photonic crystals provide a robust method to implement the unidirectional spin transfer. The valley topological photonic crystals possess a pair…

Interfacial Dzyaloshinkii-Moriya interaction defines a rotational sense for the magnetization of two-dimensional films making it responsible for the formation of chiral magnetic structures like spin-spirals and skyrmions in those films.…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 Elena Y. Vedmedenko , Jon A. Arregi , Patricia Riego , Andreas Berger

Here we report the possibility to excite ultra-short spin waves in ferromagnetic thin-films by using time-harmonic electromagnetic fields with terahertz frequency. Such ultra-fast excitation requires to include inertial effects in the…

Mesoscale and Nanoscale Physics · Physics 2024-04-11 Massimiliano d'Aquino , Salvatore Perna , Matteo Pancaldi , Riccardo Hertel , Stefano Bonetti , Claudio Serpico

We investigated the microwave-assisted DC voltages of ferromagnetic resonances and exchangedominated standing spin wave excitations in two different in-plane magnetized permalloy thin films via homodyne detection. The line shapes of…

Materials Science · Physics 2013-10-24 Ziqian Wang , Xiaofeng Zhu , Xiaoshuang Chen , Wei Lu

Engineering of intensity and direction of radiation from a single quantum emitter by means of structuring of their environment at the nanoscale is at the cornerstone of modern nanophotonics. Recently discovered systems exhibiting…

Optics · Physics 2015-08-13 Sergey Lee , Denis Baranov , Alexander Krasnok , Pavel Belov

The interplay of magnetism and superconductivity can lead to intriguing emergent phenomena. Here we combine two different two-dimensional antiferromagnetic magnet-superconductor hybrids (MSH) and study their properties using spin-polarized…

General phenomenological theory of magnetic spin waves in ferromagnetic media is originally reformulated and applied to analysis of magnetostatic waves in films and plates with arbitrary nisotropy under arbitrary external field. Exact…

Other Condensed Matter · Physics 2012-04-03 Yu. E. Kuzovlev , Yu. V. Medvedev , N. I. Mezin

We use micromagnetic simulations to demonstrate neuron functionality of two-dimensional (2D) chiral magnonic resonators. Our design exploits nonlinear resonant scattering of spin waves propagating in a YIG medium from an edge mode of a…

Applied Physics · Physics 2025-12-02 K. G. Fripp , A. V. Shytov , V. V. Kruglyak

Twisted spin waves attracted research attentions lately and the orbital angular momentum they carry may be utilized in communication and computing technologies. In this work, we manifest by micromagnetic simulations that twisted spin wave…

Mesoscale and Nanoscale Physics · Physics 2021-06-09 Peiyuan Huang1 , Ruifang Wang

The Dzyaloshinskii-Moriya interaction (DMI) in magnetic systems stabilizes spin textures with preferred chirality, applicable to next-generation memory and computing architectures. In perpendicularly magnetized heavy-metal/ferromagnet…

The authors have investigated the possibility of utilizing spin waves for inter- and intra-chip communications, and as logic elements using both simulations and experimental techniques. Through simulations it has been shown that the decay…

Materials Science · Physics 2013-01-24 Jae Hyun Kwon , Sankha Subhra Mukherjee , Praveen Deorani , Masamitsu Hayashi , Hyunsoo Yang

As first demonstrated by Tang and Cohen in chiral optics, the asymmetry in the rate of electromagnetic energy absorption between left and right enantiomers is determined by an optical chirality density [1]. Here, we demonstrate that this…

Mesoscale and Nanoscale Physics · Physics 2017-10-31 Igor Proskurin , Robert L. Stamps , Alexander S. Ovchinnikov , Jun-ichiro Kishine

We show that Maxwell theory with a codimension-$1$ Chern-Simons interface supports chiral electromagnetic surface waves on the interface, even when the bulk theory on both sides is conventional vacuum electrodynamics in infinite space.…

High Energy Physics - Theory · Physics 2026-05-29 Nemanja Kaloper
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