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Using a general framework, interaction potentials between chiral magnetic solitons in a planar system with a tilted external magnetic field are calculated analytically in the limit of large separation. The results are compared to previous…

Mesoscale and Nanoscale Physics · Physics 2023-07-19 Bruno Barton-Singer , Bernd J. Schroers

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 investigate the nature of quantum phases arising in chiral interacting Hamiltonians recently realized in Rydberg atom arrays. We classify all possible fermionic chiral spin liquids with $\mathrm{U}(1)$ global symmetry using parton…

Strongly Correlated Electrons · Physics 2023-08-09 Poetri Sonya Tarabunga , Giuliano Giudici , Titas Chanda , Marcello Dalmonte

Since the discovery of two-dimensional ferroelectric and ferromagnetic materials, the van der Waals (vdW) heterostructures constructed by ferroelectric and ferromagnetic monolayers have soon become the ideal platforms to achieve converse…

Materials Science · Physics 2024-08-09 Jun Chen , Churen Gui , Shuai Dong

We present a physical picture for the emergence of the Dzyaloshinskii--Moriya (DM) interaction based on the idea of the Doppler shift by an intrinsic spin current induced by spin--orbit interaction under broken inversion symmetry. The…

Mesoscale and Nanoscale Physics · Physics 2016-06-15 Toru Kikuchi , Takashi Koretsune , Ryotaro Arita , Gen Tatara

We study the Ruderman-Kittel-Kasuya-Yosida effective exchange interaction between magnetic impurities embedded on the edges of transition-metal dichalcogenide flakes, using a three-orbital tight-binding model. Electronic states lying midgap…

Mesoscale and Nanoscale Physics · Physics 2016-12-02 Oscar Ávalos-Ovando , Diego Mastrogiuseppe , Sergio E. Ulloa

Recent developments have led to an explosion of activity on skyrmions in three-dimensional (3D) chiral magnets. Experiments have directly probed these topological spin textures, revealed their nontrivial properties, and led to suggestions…

Strongly Correlated Electrons · Physics 2014-09-11 Sumilan Banerjee , James Rowland , Onur Erten , Mohit Randeria

Interfacial engineering enables various emergent effects such as spin reorientations and transport anisotropy. Noncollinear spin textures are essential for realizing many emergent quantum transport phenomena. However, driving such spin…

Spin models arise in the microscopic description of magnetic materials, where the macroscopic characteristics are governed by exchange interactions among the constituent magnetic moments. Recently, there has been a growing interest in…

The Kitaev chiral spin liquid has captured widespread interest in recent decades because of its intrinsic non-Abelian excitations, yet the experimental realization is challenging. Here we propose to realize and detect Kitaev chiral spin…

Strongly Correlated Electrons · Physics 2024-12-09 Yi-Hong Chen , Bao-Zong Wang , Ting-Fung Jeffrey Poon , Xin-Chi Zhou , Zheng-Xin Liu , Xiong-Jun Liu

An enhancement of the spin-orbit effects arising on an interface between a ferromagnet (FM) and a heavy metal (HM) is possible through the strong breaking of the structural inversion symmetry in the layered films. Here we show that the…

We examine the influence of an anisotropic interaction term of Dzyaloshinskii-Moriya (DM) type on the groundstate ordering of the J_1-J_2 spin-1/2-Heisenberg antiferromagnet on the square lattice. For the DM term we consider several…

Condensed Matter · Physics 2009-10-28 A. Voigt , J. Richter

In this paper, we study the thermal entanglement in a two-qubit Heisenberg XYZ system with different Dzyaloshinskii-Moriya (DM) couplings. We show that different DM coupling parameters have different influences on the entanglement and the…

Quantum Physics · Physics 2009-11-13 Da-Chuang Li , Zhuo-Liang Cao

We investigate long-range chiral magnetic interactions among adatoms mediated by surface states spin-splitted by spin-orbit coupling. Using the Rashba model, the tensor of exchange interactions is extracted wherein a pseudo-dipolar…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Juba Bouaziz , Manuel dos Santos Dias , Abdelhamid Ziane , Mouloud Benakki , Stefan Blügel , Samir Lounis

Skyrmion formation in centrosymmetric magnets without Dzyaloshinskii-Moriya interactions was originally predicted from unbiased numerical techniques. However, no attempt has yet been made, by comparison to a real material, to determine the…

Strongly Correlated Electrons · Physics 2025-03-25 Max Hirschberger , Satoru Hayami , Yoshinori Tokura

Machine learning is applied to a large number of modern devices that are essential in building energy efficient smart society. Audio and face recognition are among the most well-known technologies that make use of such artificial…

Mesoscale and Nanoscale Physics · Physics 2021-02-02 Masashi Kawaguchi , Kenji Tanabe , Keisuke Yamada , Takuya Sawa , Shun Hasegawa , Masamitsu Hayashi , Yoshinobu Nakatani

Magnetic skyrmions and antiskyrmions are topologically protected quasiparticles exhibiting a whirling spin texture in real space. Antiskyrmions offer some advantages over skyrmions as they are expected to have higher stability and can be…

Materials Science · Physics 2024-08-23 Kai Huang , Edward Schwartz , Ding-Fu Shao , Alexey A. Kovalev , Evgeny Y. Tsymbal

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

Dzyaloshinskii-Moriya (DM) interaction has been proven to excite entanglement of spin systems, enhancing the capability of realizing various quantum tasks such as teleportation. In this work, we consider the DM interaction -to the best of…

Quantum Physics · Physics 2016-09-14 Fatih Ozaydin

We present a microscopic theory of an atomic spin diode. Our proposed system consists of two magnetic adatoms deposited on the surface of a two-dimensional electron gas with Rashba spin-orbit coupling. A local s-d type coupling between the…

Mesoscale and Nanoscale Physics · Physics 2026-03-05 William J. Huddie , Rembert A. Duine
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