edoc

Skyrmions Driven by Intrinsic Magnons

Psaroudaki, Christina and Loss, Daniel. (2018) Skyrmions Driven by Intrinsic Magnons. PHYSICAL REVIEW LETTERS, 120 (23). p. 237203.

Full text not available from this repository.

Official URL: https://edoc.unibas.ch/69215/

Downloads: Statistics Overview

Abstract

We study the dynamics of a Skyrmion in a magnetic insulating nanowire in the presence of time-dependent oscillating magnetic field gradients. These ac fields act as a net driving force on the Skyrmion via its own intrinsic magnetic excitations. In a microscopic quantum field theory approach, we include the unavoidable coupling of the external field to the magnons, which gives rise to time-dependent dissipation for the Skyrmion. We demonstrate that the magnetic ac field induces a super-Ohmic to Ohmic crossover behavior for the Skyrmion dissipation kernels with time-dependent Ohmic terms. The ac driving of the magnon bath at resonance results in a unidirectional helical propagation of the Skyrmion in addition to the otherwise periodic bounded motion.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss)
UniBasel Contributors:Loss, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:AMER PHYSICAL SOC
ISSN:0031-9007
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:08 Oct 2019 09:15
Deposited On:08 Oct 2019 09:15

Repository Staff Only: item control page