Orbital angular momentum exchange in the interaction of twisted light with molecules

Babiker, M., Bennett, C. R., Andrews, D. L. and Davila Romero, L. C. (2002) Orbital angular momentum exchange in the interaction of twisted light with molecules. Physical Review Letters, 89 (14). ISSN 1079-7114

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Abstract

In the interaction of molecules with light endowed with orbital angular momentum, an exchange of orbital angular momentum in an electric dipole transition occurs only between the light and the center of mass motion; i.e., internal �electronic-type� motion does not participate in any exchange of orbital angular momentum in a dipole transition. A quadrupole transition is the lowest electric multipolar process in which an exchange of orbital angular momentum can occur between the light, the internal motion, and the center of mass motion. This rules out experiments seeking to observe exchange of orbital angular momentum between light beams and the internal motion in electric dipole transitions.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry
UEA Research Groups:	Faculty of Science > Research Groups > Centre for Photonics and Quantum Science Faculty of Science > Research Groups > Chemistry of Light and Energy Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017)
Depositing User:	Rachel Smith
Date Deposited:	23 Nov 2010 15:46
Last Modified:	06 Jun 2023 14:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/10705
DOI:	10.1103/PhysRevLett.89.143601

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