Source of Dephasing in 2D Disordered Systems at Low Temperatures


  Roi Levy  ,  Yigal Meir  
Department of Physics, Ben Gurion University

We show, using spin density functional theory, that spontaneous magnetic moments are formed at the saddle points of the disordered potential, these magnetic moments can be accounted for the low temperatures saturation in the coherence time through spin-flip scattering.