The effect of intramolecular coupling on the optical susceptibilities of a two-level molecule

J. L. Paz; M. García-Sucre; E. Squitieri; V. Mujica

doi:10.1016/0009-2614(93)E1357-M

The effect of intramolecular coupling on the optical susceptibilities of a two-level molecule

J. L. Paz, M. García-Sucre, E. Squitieri, V. Mujica

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21 Scopus citations

Abstract

The effect of intramolecular coupling on the optical susceptibilities up to third order in the external field is studied using a model molecule consisting of two coupled harmonic curves of electronic energies with minima displaced in energy and nuclear coordinates. We consider two vibrational states and we include non-adiabatic effects for this two-state model. We have calculated the absorption for one-, two- and three-photon processes for values of the parameters characteristic of large organic molecules diluted in water. Our results show that intramolecular coupling has a large effect on this property.

Original language	English (US)
Pages (from-to)	333-341
Number of pages	9
Journal	Chemical Physics Letters
Volume	217
Issue number	3
DOIs	https://doi.org/10.1016/0009-2614(93)E1357-M
State	Published - Jan 14 1994
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1016/0009-2614(93)E1357-M

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title = "The effect of intramolecular coupling on the optical susceptibilities of a two-level molecule",

abstract = "The effect of intramolecular coupling on the optical susceptibilities up to third order in the external field is studied using a model molecule consisting of two coupled harmonic curves of electronic energies with minima displaced in energy and nuclear coordinates. We consider two vibrational states and we include non-adiabatic effects for this two-state model. We have calculated the absorption for one-, two- and three-photon processes for values of the parameters characteristic of large organic molecules diluted in water. Our results show that intramolecular coupling has a large effect on this property.",

author = "Paz, {J. L.} and M. Garc{\'i}a-Sucre and E. Squitieri and V. Mujica",

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AU - Paz, J. L.

AU - García-Sucre, M.

AU - Squitieri, E.

AU - Mujica, V.

N1 - Funding Information: This work was supportedb y the CDCH of Univ-ersidadC entrald e VenezuelaC, onsejoN ational de InvestigacioneCs ientificasy TecnoMgicas( CONI- CIT) (grantsS l-2226, Sl-2238), Decanatod e In-vestigacioneosf UniversidadS imon Bolivar (grant S 1-CB-31 4) and to CNPq (BrazilianA gency).

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N2 - The effect of intramolecular coupling on the optical susceptibilities up to third order in the external field is studied using a model molecule consisting of two coupled harmonic curves of electronic energies with minima displaced in energy and nuclear coordinates. We consider two vibrational states and we include non-adiabatic effects for this two-state model. We have calculated the absorption for one-, two- and three-photon processes for values of the parameters characteristic of large organic molecules diluted in water. Our results show that intramolecular coupling has a large effect on this property.

AB - The effect of intramolecular coupling on the optical susceptibilities up to third order in the external field is studied using a model molecule consisting of two coupled harmonic curves of electronic energies with minima displaced in energy and nuclear coordinates. We consider two vibrational states and we include non-adiabatic effects for this two-state model. We have calculated the absorption for one-, two- and three-photon processes for values of the parameters characteristic of large organic molecules diluted in water. Our results show that intramolecular coupling has a large effect on this property.

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The effect of intramolecular coupling on the optical susceptibilities of a two-level molecule

Abstract

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