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Related papers: Proper and improper chiral magnetic interactions

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The microscopic origin of the electric Dzyaloshinskii-Moriya interaction (eDMI) is unveiled and discussed by analytical analysis and first-principles based calculations. As similar to the magnetic Dzyaloshinskii-Moriya interaction (mDMI),…

Materials Science · Physics 2022-12-14 Peng Chen , Hong Jian Zhao , Sergey Prosandeev , Sergey Artyukhin , Laurent Bellaiche

A novel general method of describing the spin-lattice interactions in magnetic solids was proposed in terms of first principles calculations. The spin exchange and Dzyaloshinskii-Moriya interactions as well as their derivatives with respect…

Strongly Correlated Electrons · Physics 2011-12-30 H. J. Xiang , E. J. Kan , Su-Huai Wei , M. -H. Whangbo , X. G. Gong

We formulate a low-energy theory for the magnetic interactions between electrons in the multi-band Hubbard model under non-equilibrium conditions determined by an external time-dependent electric field which simulates laser-induced spin…

Strongly Correlated Electrons · Physics 2013-04-11 Andrea Secchi , Sergei Brener , Alexander I. Lichtenstein , Mikhail I. Katsnelson

Multilayers of heavy metals and ferromagnets are the basis for the formation of various structures with inhomogeneous chiral magnetic distributions. The most informative method for studying magnetic states in such structures with a high…

Materials Science · Physics 2021-01-08 D. A. Tatarskiy , N. S. Gusev , S. A. Gusev

Periodically patterned metamaterials are known for exhibiting wave properties similar to the ones observed in electronic band structures in crystal lattices. In particular, periodic ferromagnetic materials are characterized by the presence…

Mesoscale and Nanoscale Physics · Physics 2019-02-20 R. A. Gallardo , D. Cortés-Ortuño , T. Schneider , A. Roldán-Molina , Fusheng Ma , R. E. Troncoso , K. Lenz , H. Fangohr , J. Lindner , P. Landeros

We show that the recent experimental realization of spin-orbit coupling in ultracold atomic gases can be used to study different types of spin spiral order and resulting multiferroic effects. Spin-orbit coupling in optical lattices can give…

Quantum Gases · Physics 2015-06-01 Ming Gong , Yinyin Qian , Mi Yan , V. W. Scarola , Chuanwei Zhang

In order to derive tensorial exchange interactions and local magnetic anisotropies in itinerant magnetic systems, an approach combining the Spin-Cluster Expansion with the Relativistic Disordered Local Moment scheme is introduced. The…

Strongly Correlated Electrons · Physics 2015-05-20 L. Szunyogh , L. Udvardi , J. Jackson , U. Nowak , R. Chantrell

In this review we discuss the latest results concerning development of the machine learning algorithms for characterization of the magnetic skyrmions that are topologically-protected magnetic textures originated from the…

Strongly Correlated Electrons · Physics 2023-04-06 Vladimir V. Mazurenko , Ilia A. Iakovlev , Oleg M. Sotnikov , Mikhail I. Katsnelson

In this work, dynamics of chiral domain walls in long and narrow magnetic heterostructures based on non-centrosymmetric chiral magnets with bulk Dzyaloshinskii-Moriya interactions (DMI) and perpendicular magnetic anisotropy is…

Mesoscale and Nanoscale Physics · Physics 2022-02-02 Mei Li , Bin Xi , Jie Lu , Yongjun Liu

We theoretically predict that the Dzyaloshinskii-Moriya interaction can induce a magnon equilibrium spin current in collinear antiferromagnets. Such a current, being a response to the effective magnon vector potential, can be considered the…

Mesoscale and Nanoscale Physics · Physics 2026-03-12 Vladimir A. Zyuzin

We study in this paper magnetic properties of a system of quantum Heisenberg spins interacting with each other via a ferromagnetic exchange interaction J and an in-plane Dzyaloshinskii-Moriya interaction D. The non-collinear ground state…

Statistical Mechanics · Physics 2017-08-02 Sahbi El-Hog , Hung T. Diep , Henryk Puszkarski

In ultrathin ferromagnetic films sandwiched between two distinct heavy metal layers or between a heavy metal and an oxide layer, the Dzyaloshinskii-Moriya interaction (DMI) is of interfacial origin. Its chirality and strength are determined…

Isotropic Heisenberg exchange naturally appears as the main interaction in magnetism, usually favouring long-range spin-ordered phases. The anisotropic Dzyaloshinskii-Moriya interaction arises from relativistic corrections and is a priori…

Mesoscale and Nanoscale Physics · Physics 2019-11-27 E. A. Stepanov , S. A. Nikolaev , C. Dutreix , M. I. Katsnelson , V. V. Mazurenko

We report a detailed investigation of the magnetic order in 192 stable magnetic two-dimensional materials from the Computational 2D Materials Database having one magnetic atom in the unit cell. The calculations are based on a systematic…

Materials Science · Physics 2024-08-09 Joachim Sødequist , Thomas Olsen

We give a succinct summary of the recently discovered solvable models of magnetic skyrmions in two dimensions, and of their general solutions. The models contain the standard Heisenberg term, the most general translation invariant…

Mesoscale and Nanoscale Physics · Physics 2020-02-12 Bernd Schroers

Motivated by recent experimental polarized neutron results, we present a numerical micromagnetic study of the interfacial (intergrain) Dzyaloshinskii-Moriya interaction (DMI) in nanocrystalline terbium. We demonstrate that the DMI-induced…

Mesoscale and Nanoscale Physics · Physics 2023-08-16 S. Erokhin , D. Berkov , A. Michels

Electrons which are slowly moving through chiral magnetic textures can effectively be described as if they where influenced by electromagnetic fields emerging from the real-space topology. This adiabatic viewpoint has been very successful…

Materials Science · Physics 2018-10-23 Fabian R. Lux , Frank Freimuth , Stefan Blügel , Yuriy Mokrousov

The interfacial Dzyaloshinskii-Moriya interaction (DMI) is intimately related to the prospect of superior domain-wall dynamics and the formation of magnetic skyrmions. Although some experimental efforts have been recently proposed to…

Topological magnetic excitations rooted in Dzyaloshinskii-Moriya interaction (DMI) are promising information carriers for next-generation memory and spintronic devices. The recently discovered two-dimensional (2D) magnets provide fertile…

Materials Science · Physics 2021-11-23 Shunhong Zhang , Xiaoyin Li , Huisheng Zhang , Ping Cui , Xiaohong Xu , Zhenyu Zhang

We formulate and study the general boundary conditions dictating the magnetization profile in the vicinity of an interface between magnets with dissimilar properties. Boundary twists in the vicinity of an edge due to Dzyaloshinskii-Moriya…

Mesoscale and Nanoscale Physics · Physics 2018-12-21 Aldo Raeliarijaona , Rabindra Nepal , Alexey A. Kovalev