Conservation laws for Electron Vortices in Strong-Field Ionisation
Published in Eur. Phys. J. D, 2021
Y. Kang, E. Pisanty, M. Ciappina, M. Lewenstein, C. Figueira de Morisson Faria and A. S Maxwell, Eur. Phys. J. D 75: 199 (2021) https://epjd.epj.org/articles/epjd/abs/2021/07/10053_2021_Article_214/10053_2021_Article_214.html