English
Related papers

Related papers: Collective spin dynamics under dissipative spin Ha…

200 papers

The influence of dynamic interlayer interactions on the spin torque driven and damped excitations are illustrated for a three layer macrospin model system that corresponds to a standard spin-torque oscillator. The free layer and a synthetic…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 M. Romera , E. Monteblanco , F. Garcia-Sanchez , B. Delaet , L. D. Buda-Prejbeanu , U. Ebels

Based on Monte-Carlo simulations, the stable magnetization configurations of an antiferromagnet on a quasiperiodic tiling are derived theoretically. The exchange coupling is assumed to decrease exponentially with the distance between…

Disordered Systems and Neural Networks · Physics 2007-05-23 E. Y. Vedmedenko , U. Grimm , R. Wiesendanger

Exploring structural order in disordered systems including liquids and glasses is an intriguing but challenging issue in condensed matter physics. Here we construct a new parameter based on the angular distribution function of particles and…

Soft Condensed Matter · Physics 2018-06-11 Xiunan Yang , Wei-Hua Wang , Ke Chen

We develop a phenomenological hydrodynamic theory of coherent magnetic precession coupled to electric currents. Exchange interaction between electron spin and collective magnetic texture produces two reciprocal effects: spin-transfer torque…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Yaroslav Tserkovnyak , Clement H. Wong

A theoretical framework is proposed for the spin-current driven synchronized self-oscillations in ferromagnets in the spin Hall geometry. The spin current generated by the spin Hall effect in a bottom nonmagnetic heavy metal excites a…

Mesoscale and Nanoscale Physics · Physics 2018-09-17 Tomohiro Taniguchi

Current-driven magnetization dynamics of single ferromagnets in heavy metal/ferromagnet bilayers has been recently realized. In this work, spin torque induced by so-called Rashba spin-orbit coupling and spin Hall effect are considered…

Mesoscale and Nanoscale Physics · Physics 2012-04-24 Aurelien Manchon

When spin polarised electrons flow through a magnetic texture a transfer torque is generated. We examine the effect of this torque on skyrmions and skyrmion bags, skyrmionic structures of arbitrary integer topological degree, in thin…

Materials Science · Physics 2021-04-07 Charles Kind , David Foster

We demonstrate that spin-orbit coupled electrons in a magnetically doped system exert a spin torque on the local magnetization, without a flowing current, when the chemical potential is modulated in a magnetic field. The spin torque is…

Mesoscale and Nanoscale Physics · Physics 2015-09-17 Kentaro Nomura , Daichi Kurebayashi

We demonstrate a deterministic switching mechanism in collinear altermagnets driven by asymmetric sublattice spin currents. Unlike conventional antiferromagnets, where combined parity-time-reversal symmetry enforces purely staggered…

Mesoscale and Nanoscale Physics · Physics 2025-10-14 Sayan Sarkar , Sunit Das , Amit Agarwal

We uncover a new pathway towards multiferroicity, showing how magnetism can drive ferroelectricity without relying on inversion symmetry breaking of the magnetic ordering. Our free-energy analysis demonstrates that any commensurate…

Materials Science · Physics 2009-11-11 Joseph J. Betouras , Gianluca Giovannetti , Jeroen van den Brink

We theoretically investigate possible effects of electric current on the spin wave dynamics for the N\'{e}el-type antiferromagnetic order in a honeycomb lattice. Based on a general vector decomposition of the spin polarization of conduction…

Mesoscale and Nanoscale Physics · Physics 2022-06-03 Yong Wang , Wang Yao

Spintronics has advanced through discoveries of various electrically-driven spin dynamics in nanomagnets. Here, we report a novel switching dynamics of spin systems driven by spin-orbit torque, using a noncollinear antiferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2026-05-19 Yuma Sato , Yutaro Takeuchi , Yuta Yamane , Shun Kanai , Shunsuke Fukami

The consequences of coupling magnetic and elastic degrees of freedom, where spins and deformations are carried by point-like objects subject to local interactions, are studied, theoretically and by detailed numerical simulations. From the…

Mesoscale and Nanoscale Physics · Physics 2018-09-19 Thomas Nussle , Pascal Thibaudeau , Stam Nicolis

We demonstrate that the spin Hall effect in a thin film with strong spin-orbit scattering can excite magnetic precession in an adjacent ferromagnetic film. The flow of alternating current through a Pt/NiFe bilayer generates an oscillating…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Luqiao Liu , Takahiro Moriyama , D. C. Ralph , R. A. Buhrman

Skyrmions dynamics in the approximation of point-particle skyrmions is considered in the multiferroic insulators, where the spiral magnetic structure is accompanied by finite electric dipole moment. The skyrmion motion is studied in the…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Pavel A. Andreev , Mariya Iv. Trukhanova

We investigate the emergence of anti-ferromagnetic ordering and its effect on the helical edge states in a quantum spin Hall insulator, in the presence of strong Coulomb interaction. Using dynamical mean-field theory, we show that the…

Strongly Correlated Electrons · Physics 2018-08-01 A. Amaricci , A. Valli , G. Sangiovanni , B. Trauzettel , M. Capone

Fully-compensated ferrimagnets exhibit zero net magnetic moment yet display non-relativistic global spin splitting, making them highly advantageous for constructing high-performance spintronic devices. The general strategy is to break the…

Materials Science · Physics 2025-07-16 San-Dong Guo , Shaobo Chen , Guangzhao Wang

We show that in magnetic nanostructures with a homogeneous magnetic order, the equilibrium spin current can be nonzero. For example, this is the case of a wide magnetic ring with the magnetization along the ring axis. The physical reason of…

Materials Science · Physics 2009-11-13 Vitalii K. Dugaev , Patrick Bruno

We study the formation of ferromagnetic and magnetic polaron states in weakly doped heterobilayer transition metal dichalcogenides in the ``heavy fermion'' limit in which one layer hosts a dense set of local moments and the other hosts a…

Strongly Correlated Electrons · Physics 2024-11-12 Daniele Guerci , J. H. Pixley , Andrew J. Millis

Magnetic skyrmions are magnetic textures with topological protection, which are expected to be information carriers in future spintronic devices. In this work, we propose a scheme to implement hybrid magnetic skyrmions (HMS) in…

Applied Physics · Physics 2023-04-27 Y. Liu , T. T. Liu , Z. P. Hou , D. Y. Chen , Z. Fan , M. Zeng , X. B. Lu , X. S. Gao , M. H. Qin , J. M. Liu
‹ Prev 1 3 4 5 6 7 10 Next ›