Author(s): Mauro Fanciulli, Henrieta Volfová, Stefan Muff, Jürgen Braun, Hubert Ebert, Jan Minár, Ulrich Heinzmann, and J. Hugo Dil
Time delay between photon entry and the resulting photoemission from a dispersive band of a solid is determined by measuring the spin polarization of the photoelectrons.
[Phys. Rev. Lett. 118, 067402] Published Fri Feb 10, 2017