Localization of random copolymers at a sharp interface: Effect of excludedvolume

We investigate the localization of random copolymers using the model of Gar el [Europhys. Lett. 8, 9 (1989)], with the incorporation of excluded volume effects, based on a trial potential approach. Analytic solutions are produ ced for the case of evenly distributed randomness. Scaling behavior is pred icted from numerical solutions for the case of uneven randomness. We find a critical temperature associated with monomer size, and a logarithmic incre ase in localization dimension near this transition. (C) 2000 American Insti tute of Physics. [S0021-9606(00)50646-1].