Diffusion of a nanowire rod through an obstacle field

Dror Kasimov, Tamir Admon, Yael Roichman

Research output: Contribution to journalArticlepeer-review


We report the experimental realization of a rod diffusing in a two-dimensional obstacle field following the single rod dynamics. We use a silver nanowire as our rod and two types of obstacles: repelling light beams and polymer pillars. We study the effect of hydrodynamic interactions on the transport of the rod, comparing both experimental realizations and recent simulations. We propose a framework for analyzing the transport through such systems, and we predict a new superdiffusive regime of rod transport at high obstacle concentration and short times.

Original languageEnglish
Article number050602
JournalPhysical Review E
Issue number5
StatePublished - 23 May 2016


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