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Plasmonic Brownian ratchet

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arxiv 1401.6194 v1 pith:6EZOTSER submitted 2014-01-23 cond-mat.mes-hall physics.optics

Plasmonic Brownian ratchet

classification cond-mat.mes-hall physics.optics
keywords plasmonicbrownianratchetarraybeadbeambrokendielectric
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Here we present a Brownian ratchet based on plasmonic interactions. By periodically turning on and off a laser beam that illuminates a periodic array of plasmonic nanostructures with broken spatial symmetry, the random thermal motion of a subwavelength dielectric bead is rectified into one direction. By means of the Molecular Dynamics technique we show a statistical directed drift in particle flow.

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