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Phys. Rev. Lett. 90, 094301 (2003) [4 pages]

Control of Friction at the Nanoscale

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Y. Braiman, J. Barhen, and V. Protopopescu
Center for Engineering Science Advanced Research, Computing and Computational Sciences Directorate, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831

Received 23 July 2002; published 5 March 2003

We propose a new algorithm to control frictional dynamics of a small array of particles towards preassigned values of the average sliding velocity. The control is based on the concepts of non-Lipschitzian dynamics and terminal attractor. Extensive numerical simulations illustrate the robustness, efficiency, and convenience of the algorithm.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.094301
DOI:
10.1103/PhysRevLett.90.094301
PACS:
46.55.+d, 05.40.–a, 81.40.Pq