Chiral discrimination in optical binding

Forbes, Kayn A. and Andrews, David L. (2015) Chiral discrimination in optical binding. Physical Review A (PRA), 91.

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Abstract

The laser-induced intermolecular force that exists between two or more particles in the presence of an electromagnetic field is commonly termed “optical binding.” Distinct from the single-particle forces that are at play in optical trapping at the molecular level, the phenomenon of optical binding is a manifestation of the coupling between optically induced dipole moments in neutral particles. In other, more widely known areas of optics, there are many examples of chiral discrimination—signifying the different response a chiral material has to the handedness of an optical input. In the present analysis, extending previous work on chiral discrimination in optical binding, a mechanism is identified using a quantum electrodynamical approach. It is shown that the optical binding force between a pair of chiral molecules can be significantly discriminatory in nature, depending upon both the handedness of the interacting particles and the polarization of the incident light, and it is typically several orders of magnitude larger than previously reported.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Faculty of Science
Related URLs:
Depositing User: Pure Connector
Date Deposited: 28 Jan 2016 13:06
Last Modified: 18 Sep 2020 00:01
URI: https://ueaeprints.uea.ac.uk/id/eprint/56842
DOI: 10.1103/PhysRevA.91.053824

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