WorldCat Identities

Konarska, J.

Works: 1 works in 1 publications in 1 language and 1 library holdings
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Most widely held works by J Konarska
The influence of interactions between isotopoloques on coherent, ultrafast vibrational dynamics of liquid C2Cl41( )

1 edition published in 2018 in English and held by 1 WorldCat member library worldwide

Abstract : The time resolved spectroscopic techniques have been applied for the first time in liquid tetrachloroethylene in order to study the dynamics of intermolecular interactions and their influence on intramolecular vibrations. Abstract : The dynamics of intramolecular and intermolecular vibrations in liquid tetrachloroethylene are studied for the first time by use of femtosecond time-resolved techniques, such as transient transmission spectroscopy and optical Kerr effect spectroscopy. Fourier transforms of time signals are compared with spontaneous Raman spectra for both isotropic and anisotropic components. The isotopic effect resulting from natural abundance of chlorine isotopes manifests itself as splitting of the isotropic spectra of intramolecular symmetric vibrations. Application of windowed Fourier transform enables us to study the dynamics of both spectral responses in real time and to analyze the role of intermolecular interactions on the coherence in the system. In order to describe the dynamics of molecules in a liquid and to explain the experimental results, we use a simple theoretical model taking into account intermolecular interactions, which allowed us to find vibrational and rotational life times
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