Spin-dependent balance equations in spintronics Project supported by the National Natural Science Foundation of China (Grant No. 11274378), the Key Research Program of the Chinese Academy of Sciences (Grant No. XDPB08-3), and the MOST of China (Grant No. 2013CB933401). |
(color online) Spin-dependent part of pressure tensor versus position. The momentum relaxation time is τ = 0.01 ps, and the electric field E = 1 mV/nm. |