J. A. Palacci, B. Abécassis, C. Cottin-Bizonne, C. Ybert, and L. Bocquet, “Colloidal motility and pattern formation under rectified diffusiophoresis,” Physical Review Letters, vol. 104, no. 13. American Physical Society, 2010.
LibreCat: https://research-explorer.ista.ac.at/record/9012
DOI: 10.1103/physrevlett.104.138302
PMID: 20481918
arXiv: 1004.1256 

J. A. Palacci, C. Cottin-Bizonne, C. Ybert, and L. Bocquet, “Sedimentation and effective temperature of active colloidal suspensions,” Physical Review Letters, vol. 105, no. 8. American Physical Society , 2010.
LibreCat: https://research-explorer.ista.ac.at/record/9013
DOI: 10.1103/physrevlett.105.088304
PMID: 20868136
arXiv: 1004.4340