Expectation values of scaling fields in ZN Ising models |
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| Authors: | V. A. Fateev Y. P. Pugai |
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| Affiliation: | (1) Landau Institute for Theoretical Physics, RAS, Chernogolovka, Moscow Oblast, Russia;(2) Laboratoire de Physique Théorique et Astroparticules, Université Montpellier 2, Montpellier, France |
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| Abstract: | We compute exact vacuum expectation values of physically relevant scaling fields in the perturbed ZN parafermionic models. Our algebraic method is based on analyzing vertex operators in the corresponding off-critical lattice model. The results coincide with the expressions derived by perturbed conformal field theory methods. __________ Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 154, No. 3, pp. 557–583, March, 2008 |
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| Keywords: | integrable model conformal field theory vacuum expectation value parafermionic symmetry vertex operator |
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