D. A. Aruliah, M. H. Müser, and U. D. Schwarz,
Calculations of the threshold force and threshold power to move adsorbed nanoparticles,
Phys. Rev. B 71, 085406 (2005); (submitted version).
selected for VJ Nanoscale Sci. & Technol., Vol. 11, Issue 7, 2005.