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Related papers: Dzyaloshinskii-Moriya interaction in NaV$_2$O$_5$:…

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The Dzyaloshinskii-Moriya interaction (DMI), which is essential for the stabilization of topologically non-trivial chiral magnetic textures such as skyrmions, is particularly strong in heterostructures of ultra-thin magnetic materials and…

The one-dimensional (1D) isotropic frustrated ferromagnetic spin-1/2 model is considered. Classical and quantum effects of adding a Dzyaloshinskii-Moriya (DM) interaction on the ground state of the system is studied using the analytical…

Strongly Correlated Electrons · Physics 2012-07-26 Javad Vahedi , Saeed Mahdavifar

A spin-wave theory that includes the antisymmetric Dzyaloshinskii-Moriya exchange interactions and long-range dipole-dipole interactions is presented for finite-length ferromagnetic spin chains. It is found that three different physical…

Mesoscale and Nanoscale Physics · Physics 2024-05-03 Bushra Hussain , Michael Cottam

We present a comprehensive analysis of Dzyaloshinsky-Moriya interaction and crystal-field parameters using the angular dependence of the paramagnetic resonance shift and linewidth in single crystals of La_{0.95}Sr_{0.05}MnO_3 within the…

Recently K. Kavokin [Phys. Rev. B 64, 075305 (2001)] suggested that the Dzyaloshinskii-Moriya interaction between localized electrons governs slow spin relaxation in $n$-doped GaAs in the regime close to the metal-insulator transition. We…

Condensed Matter · Physics 2016-08-31 L. P. Gor'kov , P. L. Krotkov

Two--magnon Raman scattering is a useful tool to verify recent suggestions concerning the value of the interplanar exchange constant in antiferromagnetic two--layer systems, such as $YBa_2Cu_3O_{6+x}$. We present a theory for Raman…

Condensed Matter · Physics 2009-10-28 Dirk K. Morr , Andrey V. Chubukov , Arno P. Kampf , G. Blumberg

By means of density functional theory (DFT) calculations (with and without inclusion of spin-orbit (SO) coupling) we present a detailed study of the electronic structure and corresponding microscopic Hamiltonian parameters of Na2IrO3. In…

Strongly Correlated Electrons · Physics 2014-01-31 Kateryna Foyevtsova , Harald O. Jeschke , I. I. Mazin , D. I. Khomskii , Roser Valenti

We study the effect of the Dzyaloshinskii-Moriya interaction (DMI) on current-induced magnetic switching of a perpendicularly magnetized heavy-metal/ferromagnet/oxide trilayer both experimentally and through micromagnetic simulations. We…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 N. Perez , E. Martinez , L. Torres , S. -H. Woo , S. Emori , G. S. D. Beach

Effects of the Dzyaloshinski-Moriya (DM) interaction on low-energy excitations in a one-dimensional orthogonal-dimer model are studied by using the perturbation expansions and the numerical diagonalization method. In the absence of the DM…

Statistical Mechanics · Physics 2009-11-10 Kenji Sasaoka , Chikara Ishii

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

We analyze magnetic phases of monolayers of transition metal dichalcogenides that are two-valley materials with electron-electron interactions. The exchange inter-valley scattering makes two-valley systems less stable to the spin…

Strongly Correlated Electrons · Physics 2019-07-31 Dmitry Miserev , Jelena Klinovaja , Daniel Loss

We report on Raman experiments performed on a single crystal MoTe$_2$ sample. The system belongs to the wide family of Transition Metal Dichalcogenides which includes several of the most interesting two dimensional materials for both basic…

Materials Science · Physics 2016-12-20 S. Caramazza , A. Collina , E. Stellino , P. Dore , P. Postorino

We will present the numerical evaluation of the hopping and magnetic exchange integrals for a nearest-neighbor $t-J$ model of the quarter-filled $\alpha^\prime NaV_2O_5$ compound. The effective integrals are obtained from…

Strongly Correlated Electrons · Physics 2009-10-31 Nicolas Suaud , Marie-Bernadette Lepetit

New neutron diffraction and inelastic scattering experiments are used to investigate in detail the field dependence of the magnetic structure and low-energy spin wave spectrum of the Dzyaloshinskii-Moriya helimagnet Ba_2 Cu Ge_2 O_7. The…

Strongly Correlated Electrons · Physics 2009-10-31 A. Zheludev , S. Maslov , G. Shirane , I. Tsukada , T. Masuda , K. Uchinokura , I. Zaliznyak , R. Erwin , L. P. Regnault

Ab initio calculations show that the Dzyaloshinskii-Moriya interaction(DMI)and net magnetization per unit cell in BiFeO3 are reduced when U is increasing from 0 to 2.9 eV, and independent of $J$. Interestingly, the DMI is even destroyed as…

Materials Science · Physics 2012-12-20 Hong-Jian Feng

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…

The role of spin-orbit interaction, arises from the Dzyaloshinski-Moriya anisotropic antisymmetric interaction, on the entanglement transfer via an antiferromagnetic XXZ Heisenberg chain is investigated. From symmetrical point of view, the…

Quantum Physics · Physics 2015-05-20 Morteza Rafiee , Morteza Soltani , Hamidreza Mohammadi , Hossein Mokhtari

Interfacing magnetism with superconductivity gives rise to a wonderful playground for intertwining key degrees of freedom: Cooper pairs, spin, charge, and spin-orbit interaction, from which emerge a wealth of exciting phenomena, fundamental…

Weyl semimetals are characterized by an electronic structure with linearly dispersed nodes and distinguished chirality, protected by broken inversion or time reversal symmetry. The intercalated transition metal dichalcogenide…

Strongly Correlated Electrons · Physics 2025-04-08 Shreenanda Ghosh , Chris Lygouras , Zili Feng , Mingxuan Fu , Satoru Nakatsuji , Natalia Drichko

Dzyaloshinskii-Moriya interaction (DMI) at Pt/Co interfaces is investigated theoretically using two different first principles methods. The first one uses the constrained moment method to build a spin spiral in real space, while the second…

Mesoscale and Nanoscale Physics · Physics 2017-10-31 Yao-Jun Dong , Abderrezak Belabbes , Aurélien Manchon