Non-Local Finite-Size Effects in the Dimer Model

Details Non-Local Finite-Size Effects in the Dimer Model Non-Local Finite-Size Effects in the Dimer Model

2007-01-04

arxiv.org/abs/cond-mat/0701075v1

SIGMA 3 (2007), 001, 12 pages

Physics

Condensed Matter

Statistical Mechanics

This is a contribution to the Proc. of the O'Raifeartaigh Symposium on Non-Perturbative and Symmetry Methods in Field Theory (

Scientific paper

10.3842/SIGMA.2007.001

We study the finite-size corrections of the dimer model on $\infty \times N$ square lattice with two different boundary conditions: free and periodic. We find that the finite-size corrections depend in a crucial way on the parity of $N$, and show that, because of certain non-local features present in the model, a change of parity of $N$ induces a change of boundary condition. Taking a careful account of this, these unusual finite-size behaviours can be fully explained in the framework of the $c=-2$ logarithmic conformal field theory.

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