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Related papers: Dzyaloshinskii-Moriya coupling in 3d insulators

200 papers

We consider spin-orbit coupling effects in Na$_4$Ir$_3$O$_8$, a material in which Ir$^{4+}$ spins form an hyper-kagom\'{e} lattice, a three-dimensional network of corner-sharing triangles. We argue that both low temperature thermodynamic…

Strongly Correlated Electrons · Physics 2008-10-03 Gang Chen , Leon Balents

We investigate the effect that density wave states have on the localized spins of a square lattice. We find that topologically nontrivial density wave states can induce stable Dzyaloshinskii-Moriya (DM) interactions among the localized…

Strongly Correlated Electrons · Physics 2021-01-27 Ian E. Powell , Steven Durr , Nicholas Rombes , Sudip Chakravarty

A broken interfacial inversion symmetry in ultrathin ferromagnet/heavy metal (FM/HM) bilayers is generally believed to be a prerequisite for accommodating the Dzyaloshinskii-Moriya interaction (DMI) and for stabilizing chiral spin textures.…

The Dzyaloshinskii-Moriya interaction (DMI) has attracted considerable recent attention owing to the intriguing physics behind and the fundamental role it played in stabilizing magnetic solitons, such as magnetic skyrmions and chiral domain…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 Zhenyu Wang , Beining Zhang , Yunshan Cao , Peng Yan

The search for chiral magnetic textures in systems lacking spatial inversion symmetry has attracted a massive amount of interest in the recent years with the real space observation of novel exotic magnetic phases such as skyrmions lattices,…

Materials Science · Physics 2015-11-06 Abderrezak Belabbes , Gustav Bihlmayer , Stefan Blügel , Aurelien Manchon

We study the modification of low temperature properties of quantum magnets such as magnetization, heat capacity, energy spectrum, and densities of condensed and noncondensed quasiparticles (triplons) due to anisotropies in the framework of…

Statistical Mechanics · Physics 2021-11-05 Abdulla Rakhimov , Asliddin Khudoyberdiev , Bilal Tanatar

We investigate the exact entanglement dynamics of a two-qubit Heisenberg XXZ chain with Dzyaloshinskii-Moriya (DM) interactions, interacting with an anisotropic spin bath in thermal equi- librium at a temperature T, driven by an external…

Quantum Physics · Physics 2015-02-04 Georges Collince Fouokeng , Martin Tchoffo , Edwine Tendong , Lukong Cornelius Fai

We present an analytic and numerical study of the creation of an uni-directional spin-wave emission in ultra-thin ferromagnetic films sandwiched in an asymmetric layer stack. For this we extend the analytical description of spin waves in…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Thomas Brächer , Philipp Pirro , Olivier Boulle , Gilles Gaudin

In the present work, initially a mixed-three-spin (1/2,1,1/2) cell of a mixed-N-spin chain with Ising-XY model is introduced, for which pair spins (1,1/2) have Ising-type interaction and pair spins (1/2,1/2) have both XY-type and…

Statistical Mechanics · Physics 2018-03-15 Hamid Arian Zad , Hossein Movahhedian

We investigate the effect of coupling (intensity and nature), applied field, and anisotropy on the spin dynamics of a multi-layer system composed of a hard magnetic slab coupled to a soft magnetic slab through a nonmagnetic spacer. The soft…

Materials Science · Physics 2015-06-12 Andres Felipe Franco , Hamid Kachkachi

The longitudinal spin-Seebeck effect (SSE) in magnetic insulator$|$non-magnetic metal heterostructures has been theoretically studied primarily with the assumption of an isotropic interfacial exchange coupling. Here, we present a general…

Mesoscale and Nanoscale Physics · Physics 2020-01-15 Bowen Ma , Benedetta Flebus , Gregory A. Fiete

The interfacial Dzyaloshinskii-Moriya interaction (DMI) of a heavy metal (HM)/ferromagnetic (FM) metal heterostructure is vital to the current-induced domain wall motion (CIDWM) at an ultrahigh velocity. However, strong DMI also tilts the…

Computational Physics · Physics 2018-12-18 Maokang Shen , Yue Zhang , Wei Luo , Long You , Xiaofei Yang

In this work, we discuss the nature of Dzyaloshinskii-Moriya interaction (DMI) in transition metal heterostructures. We first derive the expression of DMI in the small spatial gradient limit using Keldysh formalism. This derivation provides…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 Ahmed Hajr , Abdulkarim Hariri , Guilhem Manchon , Sumit Ghosh , Aurelien Manchon

This paper investigates the relationship among interlayer exchange coupling (IEC), Dzyaloshinskii-Moriya interaction (DMI), and multilevel magnetization switching within a Co/Pt/Co heterostructure, where varying Pt thicknesses enable…

Mesoscale and Nanoscale Physics · Physics 2023-12-21 Krzysztof Grochot , Piotr Ogrodnik , Jakub Mojsiejuk , Piotr Mazalski , Urszula Guzowska , Witold Skowroński , Tomasz Stobiecki

The influence of the Dzyaloshinskii-Moriya interaction in ultra-thin ferromagnetic films and chiral magnonic crystals on the behavior of spin waves is reviewed. During the last decade, it has been shown, both theoretically and…

Mesoscale and Nanoscale Physics · Physics 2019-06-06 Rodolfo A. Gallardo , David Cortés-Ortuño , Roberto E. Troncoso , Pedro Landeros

Dzyaloshinskii-Moriya interaction (DMI) is vital to form various chiral spin textures, novel behaviors of magnons and permits their potential applications in energy-efficient spintronic devices. Here, we realize a sizable bulk DMI in a…

In the present paper an influence of the anisotropic antisymmetric exchange interaction, the Dzialoshinskii-Moriya (DM) interaction, on entanglement of two qubits in various magnetic spin models, including the pure DM model and the most…

Quantum Physics · Physics 2008-04-07 Zeynep Nilhan Gurkan , Oktay K. Pashaev

Determination of the energy of Dzyaloshinskii-Moriya interaction along with a definition of the basic magnetic characteristics in ferromagnetic/nonmagnetic multilayered systems are both required for the construction of a magnetic skyrmion…

Mesoscale and Nanoscale Physics · Physics 2020-10-14 A. G. Kozlov , A. G. Kolesnikov , M. E. Stebliy , A. V. Davydenko

Magnetic interactions underpin a plethora of magnetic states of matter, hence playing a central role both in fundamental physics and for future spintronic and quantum computation devices. The Dzyaloshinskii-Moriya interaction, being chiral…

Mesoscale and Nanoscale Physics · Physics 2019-08-19 Sascha Brinker , Manuel dos Santos Dias , Samir Lounis

Volborthite offers an interesting example of a highly frustrated quantum magnet in which ferromagnetic and antiferromagnetic interactions compete on anisotropic kagome lattices. A recent density functional theory calculation has provided a…

Strongly Correlated Electrons · Physics 2020-03-03 Shunsuke Furukawa , Tsutomu Momoi