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We demonstrate the emergence of anti-chiral edge states in a Heisenberg ferromagnet with Dzyaloshinskii-Moriya interaction(DMI) on a honeycomb lattice with in-equivalent sub-lattices. The DMI, which acts between atoms of the same species,…

Strongly Correlated Electrons · Physics 2020-05-27 Dhiman Bhowmick , Pinaki Sengupta

With the advent of quantum simulators, exploring exotic collective phenomena in lattice models with local symmetries and unconventional geometries is at reach of near-term experiments. Motivated by recent progress in this direction, we…

Strongly Correlated Electrons · Physics 2026-03-05 Enrico C. Domanti , Alejandro Bermudez

Ferromagnets crystallizing in structures described by chiral cubic space groups, including compounds with the B20 or $\beta$-Mn structures, are known to host long-period chiral spin textures such as skyrmion lattices. These spin textures…

Mesoscale and Nanoscale Physics · Physics 2020-02-26 Linus Kautzsch , Joshua D. Bocarsly , Claudia Felser , Stephen D. Wilson , Ram Seshadri

We investigate the chiral magnetic order in free-standing planar 3$d$-5$d$ bi-atomic metallic chains (3$d$: Fe, Co; 5$d$: Ir, Pt, Au) using first-principles calculations based on density functional theory. We found that the antisymmetric…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Vikas Kashid , Timo Schena , Bernd Zimmermann , Yuriy Mokrousov , Stefan Blügel , Vaishali Shah , H. G. Salunke

Since the early 1960's, the discovery of Dzyaloshinskii-Moriya interaction (DMI) helped to explain the physical mechanisms behind certain magnetic phenomena, such as net moment in antiferromagnets, or enhanced anisotropy field from heavy…

Materials Science · Physics 2023-05-04 Albert Fert , Mairbek Chshiev , André Thiaville , Hongxin Yang

In antiferromagnets, the Dzyaloshinskii-Moriya interaction lifts the degeneracy of left- and right-circularly polarized spin waves. This relativistic coupling increases the efficiency of spin-wave-induced domain wall motion and leads to…

Mesoscale and Nanoscale Physics · Physics 2018-02-09 Alireza Qaiumzadeh , Lars A. Kristiansen , Arne Brataas

The control of domain walls is central to nearly all magnetic technologies, particularly for information storage and spintronics. Creative attempts to increase storage density need to overcome volatility due to thermal fluctuations of…

Recently, one can observe a renewed interest in coupling of spin waves (magnons) and collective charge oscillations (plasmons), especially in two-dimensional systems. Several mechanisms of the magnon-plasmon hybridization in ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2025-12-29 Wojciech Rudziński , Mirali Jafari , Józef Barnaś , Anna Dyrdał

Broken inversion symmetry of magnetic lattice is normally described by Lifshitz invariants in micromagnetic energy functional. Three exceptions are the lattices with T$_\textrm{d}$, C$_\textrm{3h}$ and D$_\textrm{3h}$ point group…

Materials Science · Physics 2025-05-06 Bektur Murzaliev , Mikhail Katsnelson , Mikhail Titov

We examine the combined effects of interlayer exchange coupling (IEC) and the interfacial Dzyaloshinskii-Moriya Interaction (DMI) on the structure of magnetic domain walls in fully compensated synthetic anti-ferromagnets (SAFs). Ir-based…

Materials Science · Physics 2019-10-28 Nisrit Pandey , Maxwell Li , Marc De Graef , Vincent Sokalski

Topological defects such as magnetic solitons, vortices, Bloch lines, and skyrmions have started to play an important role in modern magnetism because of their extraordinary stability, which can be exploited in the production of memory…

We construct the multi-charge generalizations for the electroweak magnetic monopole solution of Cho and Maison within a wide range of values of the magnetic charge. We use the same ansatz for the axially symmetric fields as the one…

High Energy Physics - Theory · Physics 2023-03-01 Romain Gervalle , Mikhail S. Volkov

By effectively controlling the dipole-dipole interaction, we investigate the characteristics of the ground state of bright solitons in a spin-orbit coupled dipolar Bose-Einstein condensate. The dipolar atoms are trapped within a…

Due to the particular geometry of the kagom\'e lattice, it is shown that antisymmetric Dzyaloshinsky-Moriya interactions are allowed and induce magnetic ordering. The symmetry of the obtained low temperature magnetic phases are studied…

Strongly Correlated Electrons · Physics 2009-11-07 M. Elhajal , B. Canals , C. Lacroix

Skyrmions and antiskyrmions are topologically protected spin structures with opposite topological charge. Particularly in coexisting phases, these two types of magnetic quasi-particles may show fascinating physics and potential for…

Monoaxial chiral magnets can form a noncollinear twisted spin structure called the chiral helimagnetic state. We study magnetic properties of such a chiral helimagnetic state, with emphasis on the effect of itinerant electrons. Modeling a…

Strongly Correlated Electrons · Physics 2018-05-23 Shun Okumura , Yasuyuki Kato , Yukitoshi Motome

It is common for the local inversion symmetry to break in crystals, even though the whole crystal has global inversion symmetry. This local inversion symmetry breaking allows for a local Dzyaloshinsky-Moriya interaction (DMI) in magnetic…

Materials Science · Physics 2024-05-17 Shi-Zeng Lin

The magnetic and dielectric properties of the multiferroic triangular lattice magnet compound alpha-NaFeO2 were studied by magnetization, specific heat, dielectric permittivity, and pyroelectric current measurements and by neutron…

We show the existence of an isolated soliton excitation over the topological ground state configuration in chiral helimagnet with the Dzyaloshinskii-Moryia exchange and the strong easy-plane anisotropy. The magnetic field perpendicular to…

Strongly Correlated Electrons · Physics 2015-05-13 A. B. Borisov , Jun-ichiro Kishine , I. G. Bostrem , A. S. Ovchinnikov

The current-driven domain wall motion along two exchange-coupled ferromagnetic layers with perpendicular anisotropy is studied by means of micromagnetic simulations and compared to the conventional case of a single ferromagnetic layer. Our…

Mesoscale and Nanoscale Physics · Physics 2018-01-24 Oscar Alejos , Victor Raposo , Luis Sanchez-Tejerina , Riccardo Tomasello , Giovanni Finocchio , Eduardo Martinez