J.M. Ngoko Djiokap, S.X. Hu, L.B. Madsen, N.L. Manakov, A.V. Meremianin, and A.F. Starace, “Electron Vortices in Photoionization by Circularly Polarized Attosecond Pulses,” Phys. Rev. Lett. 115, 113004 (2015).
- This Letter appears on the cover of Physical Review Letters. For the online version see the 09/11/2015 issue at https://journals.aps.org/prl/issues/115/11.
- This Letter has been highlighted by U.S. Department of Energy (DoE). It will appear soon.
- This work has been highlighted by Nature Physics, with the article written by Editor Iulia Georgescu, for the online version see Nat. Phys. 11, 800 (2015).
- This Letter has been featured in the UNL news room. Written by Scott Schrage, it may be viewed here: http://news.unl.edu/free-tags/jean-marcel-ngoko-djiokap/ ]