Photoemission Circular Dichroism and Spin Polarization of the Topological Surface States in Ultrathin Bi_{2} Te_{3} Films

Author(s): C.-Z. Xu, Y. Liu, R. Yukawa, L.-X. Zhang, I. Matsuda, T. Miller, and T.-C. Chiang

The complex behavior of photoemission in topological insulators is a result of quantum interference involving three photoemission channels according to $abinitio$ calculations.

[Phys. Rev. Lett. 115, 016801] Published Tue Jun 30, 2015