Study reveals an asymmetric dispersion of phason excitations in a skyrmion lattice

https://phys.org/news/2023-08-reveals-asymmetric-dispersion-phason-skyrmion.html

"skyrmion crystals create waves different energies when subjected to parallel and antiparallel magnetic fields proved through neutron scattering... +z and -z directions behave differently like head and tail of screw... asymmetric dispersion phason excitations skyrmion lattice MnSi.pave the way towards further discoveries about the dynamics of magnetic skyrmions, potentially opening new possibilities for the development of spintronic devices... coexistence of the conical and skyrmion phases in MnSi"

Related: Generating biskyrmions in a rare earth magnet
https://phys.org/news/2023-09-generating-biskyrmions-rare-earth-magnet.html