Dynamics of Ferromagnetic Walls: Gravitational Properties

Domain-wall motion in ferromagnetic nanowires driven by arbitrary time-dependent fields: an exact result.

We address the dynamics of magnetic domain walls in ferromagnetic nanowires under the influence of external time-dependent magnetic fields. We report a new exact spatiotemporal solution of the Landau-Lifshitz-Gilbert equation for the case of soft ferromagnetic wires and nanostructures with uniaxial anisotropy. The solution holds for applied fields with arbitrary strength and time dependence. We...

Ferromagnetic Domain Walls in Finite Systems: Mean-field Critical Exponents and Applications

The distribution of magnetic moments in finite ferromagnetic bodies was first investigated by Landau and Lifshitz in a famous paper [Phys. Z. Soviet Union, 8, 153 (1935)], where they obtained the domain structure of a ferromagnetic crystal at low temperatures, in the regime of saturated magnetization. In this article, we investigate the general properties of ferromagnetic domain walls of uniaxi...

Time-resolved imaging of nonlinear magnetic domain-wall dynamics in ferromagnetic nanowires

In ferromagnetic nanostructures domain walls as emergent entities separate uniformly magnetized regions. They are describable as quasi particles and can be controlled by magnetic fields or spin-polarized currents. Below critical driving forces domain walls are rigid conserving their spin structure. Like other quasi particles internal excitations influence the domain wall dynamics above a critic...

Electronic transport through domain walls in ferromagnetic nanowires:Co-existence of adiabatic and non-adiabatic spin dynamics

Resonance properties of domain walls in ferromagnets with a weak exchange interaction

The spin dynamics of a domain wall is studied in an infinite ferromagnetic chain with an easyaxis anisotropy as well as in a chain of finite size. The dependence of the intrinsic mode frequency of the domain wall on the exchange interaction is studied for all admissible values of the latter. It is shown that this dependence is considerably modified in the region of transition of the domain wall...