Paths of several polystyrene microspheres in an optical ratchet with current perpendicular to the driving in a centered rectangular lattice with spatial asymmetry. Selected as an Editors’ Suggestion.

From the article:

Omnidirectional Transport in Fully Reconfigurable Two Dimensional Optical Ratchets
Alejandro V. Arzola, Mario Villasante-Barahona, Karen Volke-Sepúlveda, Petr Jákl, and Pavel Zemánek
Phys. Rev. Lett. 118, 138002 (2017)

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