| Literature DB >> 15524507 |
Matthew Pelton1, Kosta Ladavac, David G Grier.
Abstract
Objects driven through periodically modulated potential-energy landscapes in two dimensions can become locked in to symmetry-selected directions that are independent of the driving force's orientation. We investigate this problem in the overdamped limit, and demonstrate that the crossover from free-flowing to locked-in transport can depend exponentially on an object's size, with this exceptional selectivity emerging from the landscape's periodicity.Year: 2004 PMID： 15524507 DOI： 10.1103/PhysRevE.70.031108
Source DB: PubMed Journal: Phys Rev E Stat Nonlin Soft Matter Phys ISSN： 1539-3755