Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2009-01-13
J.Phys.A42:122001,2009
Physics
High Energy Physics
High Energy Physics - Theory
15 pages, few typos corrected, version published
Scientific paper
10.1088/1751-8113/42/12/122001
We introduce a new representation of the paths of the Forrester-Baxter RSOS models which represents the states of the irreducible modules of the minimal models M(p',p). This representation is obtained by transforming the RSOS paths, for the cases p> 2p'-2, to new paths for which horizontal edges are allowed at certain heights. These new paths are much simpler in that their weight is nothing but the sum of the position of the peaks. This description paves the way for the interpretation of the RSOS paths in terms of fermi-type charged particles out of which the fermionic characters could be obtained constructively. The derivation of the fermionic character for p'=2 and p=kp'+/- 1 is outlined. Finally, the particles of the RSOS paths are put in relation with the kinks and the breathers of the restricted sine-Gordon model.
Jacob Pierre
Mathieu Pierre
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