The field theory of the q -> 4(+) Potts model
The q-state Potts model in two dimensions exhibits a first-order transition for q > 4. As q → 4+ the correlation length at this transition diverges. We argue that this limit defines a massive integrable quantum field theory whose lowest excitations are kinks connecting 4 + 1 degenerate ground...
Main Authors: | Delfino, G, Cardy, J |
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Format: | Journal article |
Language: | English |
Published: |
2000
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