منابع مشابه
The Scattering of Light from Liquid Helium
A review is given of the scattering of light by superfluid helium. A brief discussion is given first of the theory of Brillouin and Rayleigh scattering from an ordinary simple pure liquid. It is shown how this discussion must be modified in the case of the superfluid phase of purc 4He, and experimental observations of Brillouin scattering from first sound in liquid helium are described. The dis...
متن کاملA. Light Scattering from a Liquid-liquid Interface
Our studies of thermally excited surface waves on liquids by means of light scattering, as described in earlier reports,l'2 have been extended to the problem of surface waves on the interface between two liquids. As a specific example, we have considered the methanol-hexane interface. A laser beam is scattered off the interface, and the light scattered in a certain direction is analyzed by mean...
متن کاملCOLLISION-INDUCED LIGHT SCATTERING FROM LIQUID Ccl4 AND C6H17*
Collision-induced light scattering (US) is a newlyidentified phenomenon which has increased the scope of the information obtainable about dense media by scattering methods [l-4]. While free, optically isotropic atoms or molecules do not depolarize light, an anisotropy can be induced in the total polarizability of a system of interacting atoms which produces a broad depolarized wing centred abou...
متن کاملLiquid transport due to light scattering.
Using experiments and theory, we show that light scattering by inhomogeneities in the index of refraction of a fluid can drive a large-scale flow. The experiment uses a near-critical, phase-separated liquid, which experiences large fluctuations in its index of refraction. A laser beam traversing the liquid produces a interface deformation on the scale of the experimental setup and can cause a l...
متن کاملNeutron Scattering from Liquid 4He
where b~ is a length describing the strength of the interaction. The scattering cross-section may be readily derived 1"2 from V(r) using Fermi's Golden rule leading to (1). Any excitation in a solid or fluid that contributes to or leads to a density fluctuation can be observed in S(Q, to). For comparison with experiment, it is convenient to calculate the dynamic susceptibility corresponding to ...
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ژورنال
عنوان ژورنال: Chemie Ingenieur Technik - CIT
سال: 1973
ISSN: 0009-286X,1522-2640
DOI: 10.1002/cite.330451807