https://cpb.iphy.ac.cn/article/doi/10.1088/1674-1056/ab96a9
Electromagnetic field of a relativistic electron vortex beam
Electron vortex beams (EVBs) have potential applications in nanoscale magnetic probes of condensed matter and nanoparticle manipulation as well as radiation...
electron vortex beamelectromagnetic fieldrelativistic
https://jnas.nbuv.gov.ua/article/UJRN-0001243162
Vortex structures and electron beam dynamics in magnetized plasma / Maslov, V. I., Cheremnykh, O....
electron beamv ivortexstructuresdynamics