Collision-induced light scattering from growing clusters. Depolarization by fractals

Abstract

It is argued that collision-induced light scattering (CILS) will be a uniquely good probe of the structure of growing clusters, and especially of any fractal character of that growth. Computer calculations of CILS from a dynamic bond percolation model are presented which support this assertion in detail. The first application of the real-space renormalization group (RSRG) to CILS is given, resulting in a formula for the exponent of a power fit of the CILS intensity of a fractal vs. the number of monomers which is in excellent agreement with the computer calculations.