Two-arm electron matter-wave vortices detected in the polarization plane produced by a pair of time-delayed, oppositely circularly-polarized attosecond pulses.
Front: Jean Marcel Ngoko Djiokap, Research Assistant Professor of Physics.Back: Anthony F. Starace, Georges Holmes Professor of Physics.
Electron momentum distribution detected in the propagation plane produced by a pair of time-delayed, oppositely circularly-polarized attosecond pulses.