# Roles of chiral renormalization on magnetization dynamics in chiral magnets

@article{Kim2018RolesOC, title={Roles of chiral renormalization on magnetization dynamics in chiral magnets}, author={Kyoung-Whan Kim and Hyun-Woo Lee and Kyung-Jin Lee and Karin Everschor-Sitte and Olena Gomonay and Jairo Sinova}, journal={Physical Review B}, year={2018}, volume={97}, pages={100402} }

In metallic ferromagnets, the interaction between local magnetic moments and conduction electrons renormalizes parameters of the Landau-Lifshitz-Gilbert equation such as the gyromagnetic ratio and the Gilbert damping, and makes them dependent on the magnetic configurations. Although the effects of the renormalization for nonchiral ferromagnets are usually minor and hardly detectable, we show that the renormalization does play a crucial role for chiral magnets. Here the renormalization is chiral…

## 7 Citations

Theory of chiral effects in magnetic textures with spin-orbit coupling

- PhysicsPhysical Review B
- 2018

We present a theoretical study of two-dimensional spatially and temporally varying magnetic textures in the presence of spin-orbit coupling (SOC) of both the Rashba and Dresselhaus types. We show…

Gilbert damping in noncollinear magnetic systems

- PhysicsPhysical Review B
- 2018

The modification of the magnetization dissipation or Gilbert damping caused by an inhomogeneous magnetic structure and expressed in terms of a wave vector dependent tensor alpha((q)over-right-arrow)…

Atomic antiferromagnetic domain wall propagation beyond the relativistic limit

- PhysicsPhysical Review B
- 2019

We theoretically investigate the dynamics of atomic domain walls (DWs) in antiferromagnets driven by a spin-orbit field. For a DW with a width of a few lattice constants, we identify a Peierls-like…

Comparative study of methodologies to compute the intrinsic Gilbert damping: interrelations, validity and physical consequences.

- Physics, MedicineJournal of physics. Condensed matter : an Institute of Physics journal
- 2019

This work unambiguously demonstrates that the damping parameter obtained within the constant broadening approximation diverges for three-dimensional bulk magnets in the clean limit, while it remains finite for monolayers.

Disentangling factors governing Dzyaloshinskii domain-wall creep in Co/Ni thin films using
PtxIr1−x
seed layers

- Physics, Materials SciencePhysical Review B
- 2018

We characterize asymmetric growth of magnetic bubble domains in perpendicularly magnetized Co/Ni multi-layers grown on Pt$_x$Ir$_{1-x}$ seedlayers by application of perpendicular and in-plane…

Rashba Effect in Functional Spintronic Devices.

- Medicine, Materials ScienceAdvanced materials
- 2020

Progress is mainly on progress related to the two most compelling devices that exploit the Rashba effect: spin transistors and spin-orbit torque devices.

Effect of Chiral Damping on the dynamics of chiral domain walls and skyrmions

- Physics
- 2022

Friction plays an essential role in most physical processes that we experience in our everyday life. Examples range from our ability to walk or swim, to setting boundaries of speed and fuel…

## References

SHOWING 1-10 OF 126 REFERENCES

Hydrodynamic theory of coupled current and magnetization dynamics in spin-textured ferromagnets

- Physics
- 2009

We develop the hydrodynamical theory of collinear spin currents coupled to magnetization dynamics in metallic ferromagnets. The collective spin density couples to the spin current through a U(1)…

Chiral damping of magnetic domain walls.

- Physics, MedicineNature materials
- 2016

It is reported that the structural inversion asymmetry (SIA) gives rise to a chiral damping mechanism, which is evidenced by measuring the field-driven domain-wall motion in perpendicularly magnetized asymmetric Pt/Co/Pt trilayers.

Current-driven dynamics of chiral ferromagnetic domain walls.

- Materials Science, PhysicsNature materials
- 2013

This work directly confirms the DW chirality and rigidity by examining current-driven DW dynamics with magnetic fields applied perpendicular and parallel to the spin spiral and resolves the origin of controversial experimental results.

Chiral damping, chiral gyromagnetism, and current-induced torques in textured one-dimensional Rashba ferromagnets

- Physics
- 2017

We investigate Gilbert damping, spectroscopic gyromagnetic ratio and current-induced torques in the one-dimensional Rashba model with an additional noncollinear magnetic exchange field. We find that…

Role of nonlinear anisotropic damping in the magnetization dynamics of topological solitons

- Physics
- 2015

The consequences of nonlinear anisotropic damping, driven by the presence of Rashba spin-orbit coupling in thin ferromagnetic metals, are examined for the dynamics of topological magnetic solitons…

Roles of nonequilibrium conduction electrons on the magnetization dynamics of ferromagnets.

- Physics, MedicinePhysical review letters
- 2004

This work compute the response of the conduction electron spins in a spatial and time varying magnetization M(r,t) in the time-dependent semiclassical transport theory and shows that the induced nonequilibrium conduction spin density generates four spin torques acting on the magnetization.

Diffusive spin dynamics in ferromagnetic thin films with a Rashba interaction.

- Physics, MedicinePhysical review letters
- 2012

The theory provides an explanation for the mechanism driving the magnetization switching in a single ferromagnet as observed in the recent experiments.

Phenomenological description of the nonlocal magnetization relaxation in magnonics, spintronics, and domain-wall dynamics

- Physics
- 2015

A phenomenological equation called the Landau-Lifshitz-Baryakhtar (LLBar) [Zh. Eksp. Teor. Fiz 87, 1501 (1984) [Sov. Phys. JETP 60, 863 (1984)]] equation, which could be viewed as the combination of…

Relativistic theory of magnetic inertia in ultrafast spin dynamics

- Physics
- 2017

The influence of possible magnetic inertia effects has recently drawn attention in ultrafast magnetization dynamics and switching. Here we derive rigorously a description of inertia in the…

Self-consistent calculation of spin transport and magnetization dynamics

- Materials Science, Physics
- 2013