Media 2: Circular motion of particles suspended in a Gaussian beam with circular polarization validates the spin part of the internal energy flow AngelskyO. V. BekshaevA. Ya. MaksimyakP. P. MaksimyakA. P. MokhunI. I. HansonS. G. ZenkovaC. Yu. TyurinA. V. 2012 Originally published in Optics Express on 07 May 2012 (oe-20-10-11351)