Fig. 6: Spin-resolved electron dynamics in presence of SOC.
From: Effect of spin-orbit coupling on the high harmonics from the topological Dirac semimetal Na3Bi

Calculated electronic current (blue) for the (a) up spin channel, and (b) down spin channel for a linearly-polarized laser field along the y axis. The projections of the current on the x and y axis are shown in black. The time profile of the vector potential is shown in red.