Crossing probabilities in critical 2-D percolation and modular forms

Peter Kleban

Physica A: Statistical Mechanics and its Applications, 2000, vol. 281, issue 1, 242-251

Abstract: Crossing probabilities for critical 2-D percolation on large but finite lattices have been derived via boundary conformal field theory. These predictions agree very well with numerical results. However, their derivation is heuristic and there is evidence of additional symmetries in the problem. This contribution gives a preliminary examination some unusual modular behavior of these quantities. In particular, the derivatives of the “horizontal” and “horizontal–vertical” crossing probabilities transform as a vector modular form, one component of which is an ordinary modular form and the other the product of a modular form with the integral of a modular form. We include consideration of the interplay between conformal and modular invariance that arises.

Keywords: Percolation; Crossing probabilities; Conformal field theory; Modular forms (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:281:y:2000:i:1:p:242-251

DOI: 10.1016/S0378-4371(00)00035-2

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