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25 January 2008 Optical binding: potential energy landscapes and QED
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Abstract
Optical binding can be understood as a laser perturbation of intermolecular forces. Applying state-of-the-art QED theory, it is shown how light can move, twist and create ordered arrays from molecules and nanoparticles. The dependence on laser intensity, geometry and polarization are explored, and intricate potential energy landscapes are exhibited. A detailed exploration of the available degrees of geometric freedom reveals unexpected patterns of local force and torque. Numerous positions of local potential minimum and maximum can be located, and mapped on contour diagrams. Islands of stability and other structures are then identified.
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Justo Rodríguez, Luciana C. Dávila Romero, and David L. Andrews "Optical binding: potential energy landscapes and QED", Proc. SPIE 6905, Complex Light and Optical Forces II, 69050H (25 January 2008); https://doi.org/10.1117/12.763256
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