Boundary polarization in the six-vertex model

Abstract

Vertical-arrow fluctuations near the boundaries in the six-vertex model on the two-dimensional $N\times N$ square lattice with the domain wall boundary conditions are considered. The one-point correlation function (`boundary polarization') is expressed via the partition function of the model on a sublattice. The partition function is represented in terms of standard objects in the theory of orthogonal polynomials. This representation is used to study the large N limit: the presence of the boundary affects the macroscopic quantities of the model even in this limit. The logarithmic terms obtained are compared with predictions from conformal field theory.

4 pages, RevTex, a misprint in Eq. (8) is corrected

References in corpus (2)

• Modified critical correlations close to modulated and rough surfaces
• A Six Vertex Model on a Fishnet

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