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Correlation of Clusters: Partially Truncated Correlation Functions and Their Decay. (arXiv:1811.12342v1 [math-ph])
来源于:arXiv
In this article we investigate partially truncated correlation functions
(PTCF) of infinite continuous systems of classical point particles with pair
interaction. We derive Kirkwood-Salsburg (KS)-type equations for the PTCF and
write the solutions of these equations as a sum of contributions labelled by
certain special graphs (forests), the connected components of which are tree
graphs. We generalize the method introduced by Minlos and Pogosyan in the case
of truncated correlations. These solutions make it possible to derive strong
cluster properties for PTCF which were obtained earlier for lattice spin
systems. 查看全文>>