Haddad, T.A.S.; Andrade, R.F.S.; Salinas, S.R. - In: Physica A: Statistical Mechanics and its Applications 344 (2004) 3, pp. 510-515
We present a comparative study of the effects of random and aperiodically distributed interactions on the critical behavior of a model for two interacting polymers on a diamond hierarchical lattice. The problem is formulated in terms of exact renormalization-group (RG) recursion relations. In...