Autoren:	Ge, Yuqing Rothörl, Jan Brems, Maarten A. Kerber, Nico Gruber, Raphael Dohi, Takaaki Kläui, Mathias Virnau, Peter
Titel:	Constructing coarse-grained skyrmion potentials from experimental data with Iterative Boltzmann Inversion
Online-Publikationsdatum:	19-Jun-2023
Erscheinungsdatum:	2023
Sprache des Dokuments:	Englisch
Zusammenfassung/Abstract:	In an effort to understand skyrmion behavior on a coarse-grained level, skyrmions are often described as 2D quasiparticles evolving according to the Thiele equation. Interaction potentials are the key missing parameters for predictive modeling of experiments. Here, the Iterative Boltzmann Inversion technique commonly used in soft matter simulations is applied to construct potentials for skyrmion-skyrmion and skyrmion-magnetic material boundary interactions from a single experimental measurement without any prior assumptions of the potential form. It is found that the two interactions are purely repulsive and can be described by an exponential function for micrometer-sized skyrmions in a ferromagnetic thin film multilayer stack. This captures the physics on experimental length and time scales that are of interest for most skyrmion applications and typically inaccessible to atomistic or micromagnetic simulations.
DDC-Sachgruppe:	530 Physik 530 Physics
Veröffentlichende Institution:	Johannes Gutenberg-Universität Mainz
Organisationseinheit:	FB 08 Physik, Mathematik u. Informatik
Veröffentlichungsort:	Mainz
ROR:	https://ror.org/023b0x485
DOI:	http://doi.org/10.25358/openscience-9191
Version:	Published version
Publikationstyp:	Zeitschriftenaufsatz
Nutzungsrechte:	CC BY
Informationen zu den Nutzungsrechten:	https://creativecommons.org/licenses/by/4.0/
Zeitschrift:	Communications Physics 6
Seitenzahl oder Artikelnummer:	30
Verlag:	Springer Nature
Verlagsort:	London
Erscheinungsdatum:	2023
ISSN:	2399-3650
DOI der Originalveröffentlichung:	10.1038/s42005-023-01145-9
Enthalten in den Sammlungen:	DFG-491381577-G