Universal amplitude ratio Γ- / Γ+ for two-dimensional percolation

Iwan Jensen, Robert M. Ziff

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The amplitude ratio of the susceptibility (or second size moment) for two-dimensional percolation is calculated by two series methods and also by Monte Carlo simulation. The first series method is an approach based upon integrating approximations to the scaling function. The second series method directly uses low- and high-density series expansions of the susceptibility, going to unprecedented orders for both bond and site percolation on the square lattice. Putting all methods together we find a consistent value Γ- / Γ+ =162.5±2, a significant improvement over previous results that placed the value of this ratio variously in the range of 14 to 220.

Original languageEnglish
Article number020101
Pages (from-to)1-4
Number of pages4
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume74
Issue number2
DOIs
Publication statusPublished - 9 Aug 2006
Externally publishedYes

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