3 papers
cond-mat.mes-hall2019
Twisting and tweezing the spin wave: on vortices, skyrmions, helical waves, and the magnonic spiral phase plate
Chenglong Jia, Decheng Ma, Alexander F. Schäffer +1
Spin waves are the low-energy excitations of magnetically ordered materials. They are key elements in the stability analysis of the ordered phase and have a wealth of technological…
cond-mat.mes-hall2019
Stochastic dynamics and pattern formation of geometrically confined skyrmions
Alexander F. Schäffer, Levente Rózsa, Jamal Berakdar +2
Ensembles of magnetic skyrmions in confined geometries are shown to exhibit thermally driven motion on two different time scales. The intrinsic fluctuating dynamics (ps)…
cond-mat.str-el2019
Electrical writing, deleting, reading, and moving of magnetic skyrmioniums in a racetrack device
Börge Göbel, Alexander F. Schäffer, Jamal Berakdar +2
A magnetic skyrmionium (also called 2-skyrmion) can be understood as a skyrmion - a topologically non-trivial magnetic whirl - which is situated in the center of a second skyrmi…