Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/18765
Title: An analytical approach to sorting in periodic and random potentials
Author: Gleeson, James P.
Sancho, José M.
Lacasta Palacio, Ana María
Lindenberg, Katja
Keywords: Matèria condensada
Teoria del transport
Transport theory
Condensed matter
Issue Date: 2006
Publisher: The American Physical Society
Abstract: There has been a recent revolution in the ability to manipulate micrometer-sized objects on surfaces patterned by traps or obstacles of controllable configurations and shapes. One application of this technology is to separate particles driven across such a surface by an external force according to some particle characteristic such as size or index of refraction. The surface features cause the trajectories of particles driven across the surface to deviate from the direction of the force by an amount that depends on the particular characteristic, thus leading to sorting. While models of this behavior have provided a good understanding of these observations, the solutions have so far been primarily numerical. In this paper we provide analytic predictions for the dependence of the angle between the direction of motion and the external force on a number of model parameters for periodic as well as random surfaces. We test these predictions against exact numerical simulations.
Note: Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.73.041102
It is part of: Physical Review E, 2006, vol. 73, p. 041102(1)-041102(9)
URI: http://hdl.handle.net/2445/18765
ISSN: 1063-651X
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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