Before revision: Peng, I. Lazo, S. V. Shiyanovskii, O. D. Lavrentovich , Induced-charge electro-osmosis around metal and Janus spheres in water: Patterns of flow and breaking symmetries, arXiv preprint arXiv:1411.1478 , (2014) also experimentally showed the patterns of electro-osmotic flow around an Au sphere when alternating current (AC) is involved (E=10mV/μm, f=1 kHz).
After revision: Peng, I. Lazo, S. V. Shiyanovskii, O. D. Lavrentovich , Induced-charge electro-osmosis around metal and Janus spheres in water: Patterns of flow and breaking symmetries, arXiv preprint , (2014) also experimentally showed the patterns of electro-osmotic flow around an Au sphere when alternating current (AC) is involved (E=10mV/μm, f=1 kHz).