The underdamped Brownian oscillator model with Ohmic dissipation: Applicability to low-temperature optical spectra

Mohamad M. Toutounji; Gerald J. Small

doi:10.1063/1.1495835

The underdamped Brownian oscillator model with Ohmic dissipation: Applicability to low-temperature optical spectra

Mohamad M. Toutounji, Gerald J. Small

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

The applicability of the multimode Brownian oscillator (MBO) model to high-resolution linear electronic absorption spectra of chromophores in solid hosts at low temperatures was reported. The MBO model with Ohmic dissipation was used to interpret photon echo and spectral data on solvation dynamics of chromophores in liquids at room temperature. It was shown that Franck-Condon factors of the zero-phonon line (ZPL) obtained with the underdamped MBO (UMBO) model differed from those calculated with the conventional formula.

Original language	English
Pages (from-to)	3848-3855
Number of pages	8
Journal	Journal of Chemical Physics
Volume	117
Issue number	8
DOIs	https://doi.org/10.1063/1.1495835
Publication status	Published - Aug 22 2002

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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abstract = "The applicability of the multimode Brownian oscillator (MBO) model to high-resolution linear electronic absorption spectra of chromophores in solid hosts at low temperatures was reported. The MBO model with Ohmic dissipation was used to interpret photon echo and spectral data on solvation dynamics of chromophores in liquids at room temperature. It was shown that Franck-Condon factors of the zero-phonon line (ZPL) obtained with the underdamped MBO (UMBO) model differed from those calculated with the conventional formula.",

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AB - The applicability of the multimode Brownian oscillator (MBO) model to high-resolution linear electronic absorption spectra of chromophores in solid hosts at low temperatures was reported. The MBO model with Ohmic dissipation was used to interpret photon echo and spectral data on solvation dynamics of chromophores in liquids at room temperature. It was shown that Franck-Condon factors of the zero-phonon line (ZPL) obtained with the underdamped MBO (UMBO) model differed from those calculated with the conventional formula.

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The underdamped Brownian oscillator model with Ohmic dissipation: Applicability to low-temperature optical spectra

Abstract

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