Abstract
The depolarized light scatteringspectrum from a dynamic, freely rotating chain model of a macromolecule is calculated. The previous theory is improved to include a chain stiffness parameter which is related to the persistence length of the polymer chain and hence can be measured by other experimental techniques. In the flexible limit of the model the results reduce to those by Ono and Okano for the Rouse–Zimm model. For intermediate degrees of chain stiffness the contribution from the lowest mode to the scattering intensity is enhanced.

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