Article ID Journal Published Year Pages File Type
5494526 Nuclear Physics B 2017 17 Pages PDF
Abstract
We clarify the exact relation between partition functions with free and periodic boundary conditions expressed in terms of original and product spin variables for the 2d plaquette and 3d fuki-nuke models, noting that the differences are already present in the 1d Ising model. In addition, we solve the 2d plaquette Ising model with helical boundary conditions. The various exactly solved examples illustrate how correlations can be induced in finite systems as a consequence of the choice of boundary conditions.
Related Topics
Physical Sciences and Engineering Mathematics Mathematical Physics
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