Construction of Modular Branching Functions from Bethe’s Equations in the 3-State Potts Chain
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چکیده
We use the single particle excitation energies and the completeness rules of the 3state anti-ferromagnetic Potts chain, which have been obtained from Bethe’s equation, to compute the modular invariant partition function. This provides a fermionic construction for the branching functions of the D4 representation of Z4 parafermions which complements the previous bosonic constructions. It is found that there are oscillations in some of the correlations and a new connection with the field theory of the Lee-Yang edge is presented.
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تاریخ انتشار 1992