Polarized dynamic light scattering from wormlike chains with hydrodynamic interaction

Sergio Ramiro Aragon

doi:10.1117/12.148367

21 July 1993 Polarized dynamic light scattering from wormlike chains with hydrodynamic interaction

Sergio Ramiro Aragon

Proceedings Volume 1884, Static and Dynamic Light Scattering in Medicine and Biology; (1993) https://doi.org/10.1117/12.148367
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

A theory for the dynamics of semi-rigid polymers, based on the wormlike chain, has been extended to include hydrodynamic interactions. The hydrodynamic interactions are treated in the preaveraged form using the kernel of Yamakawa and Fujii [Macromolecules 6:407(1973)]. The dynamic equation is solved by perturbation theory to second order for the eigenvalues and to first order for the eigenfunctions. The solutions to a Fokker-Planck equation are used to compute the polarized dynamic light scattering correlation function for a dilute system of wormlike chains. The electric field correlation function decays with dynamics due to translational diffusion, end-over-end tumbling of an elongation axis, and flexing degrees of freedom.

Citation Download Citation

Sergio Ramiro Aragon "Polarized dynamic light scattering from wormlike chains with hydrodynamic interaction", Proc. SPIE 1884, Static and Dynamic Light Scattering in Medicine and Biology, (21 July 1993); https://doi.org/10.1117/12.148367

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