A two-chromophore model for two-photon circular dichroism

Andrews, D. L. (1976) A two-chromophore model for two-photon circular dichroism. Chemical Physics, 16 (4). pp. 419-424. ISSN 0301-0104

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Abstract

A discussion of two-photon circular dichroism due to dissymmetrically placed chromophores is presented. Using quantum electrodynamics, expressions are derived for the differential rates or absorption associated with an electronic transition which is electric dipole forbidden to a one-photon interaction. A complex field formulation enables effective interaction operators to be derived which are formally equivalent to those arising in the theory of induced circular dichroism. For non-equivalent chromophores, it is shown that a coupling mechanism provides the necessary chiral discrimination, whilst for equivalent chromophores there is an additional contribution from an interference term which becomes more important as the chromophore separation is decreased.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Chemistry of Light and Energy Faculty of Science > Research Groups > Centre for Photonics and Quantum Science
Depositing User:	Pure Connector
Date Deposited:	18 Jan 2016 16:00
Last Modified:	29 Jun 2025 00:23
URI:	https://ueaeprints.uea.ac.uk/id/eprint/56433
DOI:	10.1016/0301-0104(76)80088-2

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