Giuseppe Genovese, Sergio Simonella
A new direct integration method is established to construct the solutions of the stationary BBGKY hierarchy, assuming the usual form of the equilibrium correlation functions, for infinite classical systems of particles interacting via a smooth, stable and regular two body potential. The equivalence between the corresponding infinite hierarchy and the Kirkwood--Salsburg equations is proved. A problem of existence and uniqueness of the solutions of the hierarchy with appropriate boundary conditions is thus solved for low densities. The result is extended in a milder sense to systems with a hard core interaction. Comparisons are provided with different integration techniques.
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http://arxiv.org/abs/1205.2788
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