Smaller, more energy-efficient magnonic computers by alternating/ redirecting currents to excite spin waves

https://phys.org/news/2024-09-alternating-currents-alternative-magnets.html

"short wavelength spin waves reduces magnonic device footprint... lateral alternating current geometry in synthetic ferrimagnetic vortex pairs achieves spin-wave emission with  several orders magnitude better efficiency...  opposite magnetization patterns in ferrimagnets enables efficient excitation of magnetization pattern using magnetic fields generated by the alternating currents... strain changes their magnetization, spin wave direction steered adjusting amount of current... micromagnetic simulation software, magnum.np"