RICHMOL

Optical activity of molecules with rotational chirality: Theoretical study of the novel effect

Coordinatore	UNIVERSITY COLLEGE LONDON    more  Organization address address: GOWER STREET city: LONDON postcode: WC1E 6BT contact info Titolo: Mr. Nome: Giles Cognome: Machell Email: send email Telefono: +44 20 3109 9375
Nazionalità Coordinatore	United Kingdom [UK]
Totale costo	231˙283 €
EC contributo	231˙283 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2013-IEF
Funding Scheme	MC-IEF
Anno di inizio	2014
Periodo (anno-mese-giorno)	2014-09-01   -   2016-08-31

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	UNIVERSITY COLLEGE LONDON  Organization address address: GOWER STREET city: LONDON postcode: WC1E 6BT contact info Titolo: Mr. Nome: Giles Cognome: Machell Email: send email Telefono: +44 20 3109 9375	UK (LONDON)	coordinator	231˙283.20

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 Obiettivo del progetto (Objective)

'A novel effect of optical activity of highly rotationally excited non-chiral molecules has been proposed in 2004 by Bunker and Jensen (P.R. Bunker, P.Jensen, J. Mol. Spec., 228 (2004) 640), where some symmetric, asymmetric, and spherical type molecules in the states can be stabilized by high rotational excitation and become rotationally chiral. They predicted that enantiomers characterized by the so-called rotational chirality will rotate the plane-polarized light, i.e. become optically active. Although this idea has the potential to give birth to a new paradigm of optical control devices and to stimulate new fruitful developments in quantum optics and material science, it passed unnoticed by the scientific community. In the current project we aim to bridge this gap and present the first theoretical study of the optical activity of rotationally chiral molecules. This study will provide theoretical for future experiments and potential technological applications. To this end a new method will be developed for accurate solution of the quantum nuclear-motion problem for small and medium-sized molecules in the presence of external electromagnetic fields with different polarizations, which still represents a challenge even for small molecules. This method will be applied to simulate the optical activity of molecules in rotationally chiral states and will be generally important for a wide range of applications including materials science, optics and communications, and medicine. It will open the doors for a new type of optical control of molecules by moderate external field.'