We report the results from a detailed Monte Carlo study of dynamic concentration fluctuations of a two-component grafted polymer ‘‘brush.’’ We compute the correlations at long length scales and their associated characteristic relaxation times, which could be measured in a dynamic scattering experiment. We find that the dynamic concentration fluctuations are dominated by in-plane contributions due to lateral chain fluctuations.

• Received 1 February 1993

DOI:https://doi.org/10.1103/PhysRevE.48.2739