Decay of correlations in nearest-neighbor self-avoiding walk, percolation, lattice trees and animals

研究成果: Contribution to journalArticle

43 被引用数 (Scopus)

抄録

We consider nearest-neighbor self-avoiding walk, bond percolation, lattice trees, and bond lattice animals on ℤd. The two-point functions of these models are respectively the generating function for self-avoiding walks from the origin to x € ℤd, the probability of a connection from the origin to x, and the generating functions for lattice trees or lattice animals containing the origin and x. Using the lace expansion, we prove that the two-point function at the critical point is asymptotic to const.|x| 2-d as |x| → ∞, for d ≥ 5 for self-avoiding walk, for d ≥ 19 for percolation, and for sufficiently large d for lattice trees and animals. These results are complementary to those of [Ann. Probab. 31 (2003) 349-408], where spread-out models were considered. In the course of the proof, we also provide a sufficient (and rather sharp if d > 4) condition under which the two-point function of a random walk on ℤd is asymptotic to const.|x|2-d as |x| → ∞.

本文言語英語
ページ(範囲)530-593
ページ数64
ジャーナルAnnals of Probability
36
2
DOI
出版ステータス出版済み - 3 1 2008

All Science Journal Classification (ASJC) codes

  • Statistics and Probability
  • Statistics, Probability and Uncertainty

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