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Magnetic skyrmions in chiral-lattice ferromagnets are currently attracting enormous research interest because of their potential applications in spintronic devices. However, they emerge in bulk specimens only in a narrow window of…

Mesoscale and Nanoscale Physics · Physics 2020-03-17 Kohei Tanaka , Ryosuke Sugawara , Masahito Mochizuki

Doping change and distortion effect on the double-exchange ferromagnetism are studied within a simplified double-exchange model. The presence of distortion is modelled by introducing the Falicov-Kimball interaction between itinerant…

Strongly Correlated Electrons · Physics 2007-05-23 Phan Van-Nham , Tran Minh-Tien

Magnetic field (B) distribution of the magnetron was measured and discussed its effect on plasma parameters and deposition rate. Plasma parameters such as electron temperature (Te), electron number density (ne) were estimated using electron…

Plasma Physics · Physics 2017-04-24 S. Gopikishan , I. Banerjee , S. K. Mahapatra

We compare three distinct computational approaches based on first-principles calculations within density functional theory to explore the magnetic exchange and the Dzyaloshinskii-Moriya interactions (DMI) of a Co monolayer on Pt(111),…

We present a combined analytical and numerical micromagnetic study of the equilibrium energy, size and shape of anti-skyrmionic magnetic configurations. Anti-skyrmions can be stabilized when the Dzyaloshinskii-Moriya interaction has…

Materials Science · Physics 2018-04-18 Lorenzo Camosi , Nicolas Rougemaille , Olivier Fruchart , Jan Vogel , Stanislas Rohart

We propose a new route to generate an interband Dzyaloshinskii-Moriya interaction in metals from solely microscopic perspective. The system consists of conduction band electrons in the presence of the Rashba spin-orbit coupling which are…

Strongly Correlated Electrons · Physics 2024-12-03 Fırat Yılmaz

We consider the correction to conductivity of a 2D electron gas due to electron-electron interaction in the parallel magnetic field at arbitrary relation between temperature and the elastic mean free time. The correction exhibits…

Disordered Systems and Neural Networks · Physics 2009-11-07 Gabor Zala , B. N. Narozhny , I. L. Aleiner

The Dzyaloshinskii-Moriya interaction is shown to result in a canting of spins in a single molecule transistor. We predict non-linear transport signatures of this effect induced by spin-orbit coupling for the generic case of a molecular…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 S. Herzog , M. R. Wegewijs

Schwinger boson mean field theory is a powerful approach to study frustrated magnetic systems which allows to distinguish long range magnetic orders from quantum spin liquid phases, where quantum fluctuations remain strong up to zero…

Strongly Correlated Electrons · Physics 2023-10-27 D. Rossi , J. Motruk , L. Rademaker , D. A. Abanin

We consider theoretically the effects of an applied uniform magnetic field on the magnetic spectrum of anisotropic two-dimensional and Dzyaloshinskii-Moriya layered quantum Heisenberg antiferromagnets. The first case is relevant for systems…

Strongly Correlated Electrons · Physics 2007-05-23 L. Benfatto , M. B. Silva Neto

The Dzyaloshinskii-Moriya interaction (DMI) has explained successfully the weak ferromagnetism in {\it some} centrosymmetric antiferromagnets. However, in the last years, it was generally claimed that the DMI is not effective in such…

Materials Science · Physics 2025-03-04 Carmine Autieri , Raghottam M Sattigeri , Giuseppe Cuono , Amar Fakhredine

The magnetic properties of (111)-oriented Rh/Co/Pt and Pd/Co/Pt multilayers are investigated by first-principles calculations. We focus on the interlayer exchange coupling, and identify thicknesses and composition where a typical…

Materials Science · Physics 2018-10-24 Hongying Jia , Bernd Zimmermann , Stefan Blügel

Jordan-Wigner transformation and Bogolyubov transformation are the main steps of the diagonalization of Hamiltonian and paly an important role in the statistical mechanics calculations for one-dimensional Heisenberg spin chain model. Many…

Quantum Physics · Physics 2009-05-13 Chuan-Jia Shan , Wei-Wen Cheng , Ji-Bing Liu , Tang-Kun Liu , Yan-Xia Huang , Hong Li

We have studied the phase diagram of the one dimensional XXZ model with Dzyaloshinskii-Moriya (DM) interaction. We have applied the quantum renormalization group (QRG) approach to get the stable fixed points, critical point and the scaling…

Strongly Correlated Electrons · Physics 2008-12-11 R. Jafari , A. Langari

The magnetic interfacial Dzyaloshinskii-Moriya interaction (DMI) in multi-layered thin films can lead to exotic chiral spin states, of paramount importance for future spintronic technologies. Interfacial DMI is normally manifested as an…

Mesoscale and Nanoscale Physics · Physics 2019-06-06 Amalio Fernández-Pacheco , Elena Vedmedenko , Fanny Ummelen , Rhodri Mansell , Dorothée Petit , Russell P. Cowburn

The finite-temperature magnetism of a monolayer on a bcc (110) surface was examined using a model Hamiltonian containing ferromagnetic or antiferromagnetic exchange interactions, Dzyaloshinsky-Moriya interactions and easy-axis on-site…

Strongly Correlated Electrons · Physics 2014-12-12 L. Rózsa , L. Szunyogh , L. Udvardi

We analysed the ground state energy of some dimerized spin-1/2 transverse XX and Heisenberg chains with Dzyaloshinskii-Moriya (DM) interaction to study the influence of the latter interaction on the spin-Peierls instability. We found that…

Condensed Matter · Physics 2009-10-31 O. Derzhko , J. Richter , O. Zaburannyi

In this paper, we study the thin-film limit of the micromagnetic energy functional in the presence of bulk Dzyaloshinskii-Moriya interaction (DMI). Our analysis includes both a stationary $\Gamma$-convergence result for the micromagnetic…

Analysis of PDEs · Mathematics 2020-10-30 Elisa Davoli , Giovanni Di Fratta , Dirk Praetorius , Michele Ruggeri

Propagation character of spin wave was investigated for chiral magnets FeGe and Co-Zn-Mn alloys, which can host magnetic skyrmions near room temperature. On the basis of the frequency shift between counter-propagating spin waves, the…

Materials Science · Physics 2017-06-21 R. Takagi , D. Morikawa , K. Karube , N. Kanazawa , K. Shibata , G. Tatara , Y. Tokunaga , T. Arima , Y. Taguchi , Y. Tokura , S. Seki

In an easy-plane antiferromagnet with the Dzyaloshinskii-Moriya interaction (DMI), magnons are subject to an effective spin-momentum locking. An in-plane temperature gradient can generate interfacial accumulation of magnons with a specified…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 Hantao Zhang , Ran Cheng
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