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MA: Fachverband Magnetismus

MA 47: Skyrmions IV (joint session MA/TT)

MA 47.4: Vortrag

Donnerstag, 19. März 2020, 10:15–10:30, POT 6

Skyrmions for reservoir computing — •Karin Everschor-Sitte — Institute of Physics, Johannes Gutenberg-University Mainz

The topological properties of magnetic skyrmions, their inherent compact particle-like nature and their complex and nonlinear dynamics make skyrmions interesting for spintronics applications and in particular unconventional computing schemes. [1] In this talk I will address the potential of magnetic skyrmions for reservoir computing, i.e. a computational scheme which allows to drastically simplify spatial-temporal recognition tasks. We have shown that random skyrmion fabrics provide a suitable physical implementation of the reservoir [2,3] and allow to classify patterns via their complex resistance responses either by tracing the signal over time or by a single spatially resolved measurement. [4]

[1] G. Finocchio et al., arXiv:1907.04601 [2] D. Prychynenko et al., Phys. Rev. Appl. 9, 014034 (2018) [3] G. Bourianoff et al., AIP Adv. 8, 055602 (2018) [4] D. Pinna et al., arXiv:1811.12623