title: Density expansion for particle-particle correlations in time-dependent physical clusters
abstract: We present a theory for the particle-particle correlations in physical clusters for which bonding between particles is determined by a connectivity distance and a permanency time. A generalized Mayer density expansion for the cluster pair correlation function is found, as well as an Ornstein-Zernike like relation. We can rely on this formalism to study clustering in realistic models by applying techniques of liquid state theory.
authors.affiliation: Instituto de Fisica de Liquidos y Sistemas Biologicos, (IFLYSIB)-UNLP-CONICET, Casilla de Correo 565, 1900 La Plata, Argentina and Grupo de Aplicaciones Matematicas y Estadisticas de la Facultad de Ingenieria (GAMEFI), Departame.
authors.initials: LA
authors.lastname: Pugnaloni
authors.initials: F
authors.lastname: Vericat