English
Related papers

Related papers: Model of bound interface dynamics for coupled magn…

200 papers

Magnetic domain wall motion is at the heart of new magneto-electronic technologies and hence the need for a deeper understanding of domain wall dynamics in magnetic systems. In this context, numerical simulations using simple models can…

Mesoscale and Nanoscale Physics · Physics 2018-06-20 Nirvana B. Caballero , Ezequiel E. Ferrero , Alejandro B. Kolton , Javier Curiale , Vincent Jeudy , Sebastian Bustingorry

Manipulation of magnetic domain walls via a helicity-independent laser pulse has recently been experimentally demonstrated and various physical mechanisms leading to domain wall dynamics have been discussed. Spin-dependent superdiffusive…

Mesoscale and Nanoscale Physics · Physics 2020-05-20 Pavel Baláž , Karel Carva , Ulrike Ritzmann , Pablo Maldonado , Peter M. Oppeneer

We perform a study of domain walls in Co/Ir$_n$/Pt(111) (n = 0,1,...,6) films by a combined approach of first-principles calculations and spin dynamics simulations. We determine the tensorial exchange interactions and the magnetic…

Mesoscale and Nanoscale Physics · Physics 2017-01-04 Gy. J. Vida , E. Simon , L. Rózsa , K. Palotás , L. Szunyogh

We study properties of domain walls in the symmetron model, in which the scalar gravitational degree of freedom decouples from matter in regions of high density, and exhibits a spontaneously broken $Z_2$ symmetry at low densities. The…

Cosmology and Nongalactic Astrophysics · Physics 2014-12-24 Claudio Llinares , Levon Pogosian

The motion of a vortex domain wall in a ferromagnetic strip of submicron width under the influence of an external magnetic field exhibits three distinct dynamical regimes. In a viscous regime at low fields the wall moves rigidly with a…

Materials Science · Physics 2008-10-16 D. J. Clarke , O. A. Tretiakov , G. -W. Chern , Ya. B. Bazaliy , O. Tchernyshyov

Manipulation of magnetic domain walls can be used to improve the capabilities of the next generation of memory and sensing devices. Materials of recent interest for such devices include heterostructures of ultrathin ferromagnets sandwiched…

Mesoscale and Nanoscale Physics · Physics 2018-08-03 S. Ali Nasseri , Eduardo Martinez , Gianfranco Durin

The magnetic ground state of antiferromagnetically coupled Gd/Fe multilayers and the evolution of in-plane domain walls is modelled with micromagnetics. The twisted state is characterised by a rapid decrease of the interface angle with…

Materials Science · Physics 2009-11-10 Bas B. Van Aken , Jose L. Prieto , Neil D. Mathur

Stripe width variation in ultrathin magnetic films is a well known phenomenon still not well understood. We analyze this problem considering a 2D Heisenberg model with ferromagnetic exchange interactions, dipolar interactions and…

Disordered Systems and Neural Networks · Physics 2009-07-30 Santiago A. Pighin , Orlando V. Billoni , Daniel A. Stariolo , Sergio A. Cannas

We investigate the geometric evolution of elastic domain-wall loops in two dimensions. Assuming an instantaneous, isotropic, and homogeneous arc-velocity response of the domain wall to external pressure and local signed curvature, we derive…

Disordered Systems and Neural Networks · Physics 2026-05-05 Pablo Domenichini , German Salazar , Alejandro B. Kolton

We report a stable magnetic domain wall in a uniform ferromagnetic spin-1 condensate, characterized by the magnetization having a dark soliton profile with nonvanishing superfluid density. We find exact stationary solutions for a particular…

Quantum Gases · Physics 2021-04-21 Xiaoquan Yu , P. B. Blakie

Magnetic domain wall motion has recently garnered significant interest as a physical mechanism to enable energy-efficient, next-generation brain-inspired computing architectures. However, realizing all behaviors required for neuromorphic…

Materials Science · Physics 2025-08-21 Jeffrey A. Brock , Aleksandr Kurenkov , Aleš Hrabec , Laura J. Heyderman

We present a model for current-driven motion of a magnetic domain-wall line, in which the dynamics of the domain wall is equivalent to that of an overdamped vortex line in an anisotropic pinning potential. This potential has both extrinsic…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 R. A. Duine , C. Morais Smith

We develop a phenomenological model of superconductivity near a domain wall in a ferromagnet. In addition to the electromagnetic interaction of the order parameter with the ferromagnetic magnetization, we take into account the possibility…

Superconductivity · Physics 2009-11-10 K. V. Samokhin , D. Shirokoff

The elastic interaction between kinks (and antikinks) within domain walls plays a pivotal role in shaping the domain structure, and their dynamics. In bulk materials, kinks interact as elastic monopoles, dependent on the distance between…

Mesoscale and Nanoscale Physics · Physics 2024-11-04 John J R Scott , Guangming Lu , Brian J. Rodriguez , Ian MacLaren , Ekhard K. H. Salje , Miryam Arredondo

Measurements of the ac magnetic susceptibility of perpendicularly magnetized Fe/2ML Ni/W(110) ultrathin films show a clear signature of the dynamics of domain growth and domain density changes in the striped domain pattern that this system…

Materials Science · Physics 2015-05-18 N. Abu-Libdeh D. Venus

The domain wall dynamics driven by an out of plane magnetic field was measured for a series of magnetic trilayers with different strengths of the interfacial Dzyaloshinskii-Moriya interaction (DMI). The features of the field-driven domain…

Mesoscale and Nanoscale Physics · Physics 2021-07-20 J. Pena Gracia , A. Fassatoui , J. Vogel , A. Thiaville , S. Pizzini

We study the superconducting proximity effect in a superconductor-ferromagnet-superconductor (SFS) heterostructure, containing a domain wall in the ferromagnetic region. For the ferromagnet we assume an alloy with an exchange splitting of…

Superconductivity · Physics 2009-11-11 Alexander Konstandin , Juha Kopu , Matthias Eschrig

Movements of individual domain walls in a ferromagnetic garnet were studied with angstrom resolution. The measurements reveal that domain walls can be locked between adjacent crystallographic planes and propagate by distinct steps matching…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 K. S. Novoselov , A. K. Geim , S. V. Dubonos , E. W. Hill , I. V. Grigorieva

The motion of a N\'eel-like ${180}^{\circ}$ domain wall induced by a time-dependent staggered spin-orbit field in the layered collinear antiferromagnet Mn$_2$Au is explored. Through an effective version of the two sublattice nonlinear…

Materials Science · Physics 2022-07-20 R. Rama-Eiroa , P. E. Roy , J. M. González , K. Y. Guslienko , J. Wunderlich , R. M. Otxoa

Exploring new strategies for controlling the magnetic domain propagation is the key to realize ultrafast, high-density domain wall-based memory and logic devices for next generation computing. These strategies include strain modulation in…