Fujiwara, M., Sugisaki, M., Gall, A., Robert, B., Cogdell, R.J. and Hashimoto, H. (2009) Ultrafast optical responses of beta-carotene and lycopene probed by sub-20 fs time-resolved coherent spectroscopy. Journal of Luminescence, 129(12), pp. 1808-1812. (doi: 10.1016/j.jlumin.2009.04.098)
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Abstract
We investigate how structural distortions in carotenoid cause decoherences of its high-frequency vibrational modes by applying the sub-20-fs time-resolved transient grating spectroscopy to [beta]-carotene and lycopene. The results indicate that the C=C central stretching mode shows significant loss of coherence under the effects of the steric hindrance between [beta]-ionone ring and polyene backbone, whereas the other high-frequency modes do not show such dependency on the structural distortions
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Cogdell, Professor Richard |
Authors: | Fujiwara, M., Sugisaki, M., Gall, A., Robert, B., Cogdell, R.J., and Hashimoto, H. |
Subjects: | Q Science > QH Natural history > QH345 Biochemistry Q Science > QC Physics |
College/School: | College of Medical Veterinary and Life Sciences > School of Molecular Biosciences |
Journal Name: | Journal of Luminescence |
ISSN: | 0022-2313 |
ISSN (Online): | 1872-7883 |
Published Online: | 29 May 2009 |
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