Molecular Dynamics in Liquids from Femtosecond Time-Resolved Impulsive Stimulated Scattering

S. Ruhman, B. Kohler, A. G. Joly, K. A. Nelson

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

Molecular motions in simple liquids are observed on the femtosecond time scale through impulsive simulated scattering. In carbon disulphide and benzene liquids, weakly oscillatory time-dependent responses are observed. These are interpreted in terms of molecular orientational motion which at short times is vibrational (i.e., librational) in character due to intermolecular interactions. In CS2, the dephasing of the oscillations is primarily inhomogeneous. Temperature-dependent values of the configuration-averaged librational frequency and the extent of its inhomogeneity are determined.

Original languageEnglish
Pages (from-to)470-481
Number of pages12
JournalIEEE Journal of Quantum Electronics
Volume24
Issue number2
DOIs
StatePublished - Feb 1988
Externally publishedYes

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