Contact: Paul Preuss
DOE/Lawrence Berkeley National Laboratory
Caption: Incident light that's p-polarized (upper left) produces photoelectrons consistent with the usual picture of spin polarization in a topological insulator's surface, but changing the polarization of the incident light also changes the spin polarization of the photoelectrons.
Credit: Lawrence Berkeley National Laboratory
Usage Restrictions: with credit as given
Related news release: Surprising control over photoelectrons from a topological insulator