Cluster expansions and correlation functions

  title={Cluster expansions and correlation functions},
  author={Daniel Ueltschi},
  journal={arXiv: Mathematical Physics},
  • D. Ueltschi
  • Published 1 April 2003
  • Mathematics
  • arXiv: Mathematical Physics
A cluster expansion is proposed, that applies to both continuous and discrete systems. The assumption for its convergence involves an extension of the neat Kotecky-Preiss criterion. Expressions and estimates for correlation functions are also presented. The results are applied to systems of interacting classical and quantum particles, and to a lattice polymer model. 

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