Publicação: New Baxter phase in the Ashkin-Teller model on a cubic lattice
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Elsevier B.V.
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Resumo
The mean field theory results are obtained from the Bogoliubov inequality for the spin-1/2 Ashkin-Teller model on a cubic lattice for different cluster sizes. The phase diagram, magnetization and free energy are obtained. From those expressions we observed a new phase in the model. Denoted in the course of this work by Baxter((2)) this new phase presents < S > not equal <sigma > not equal 0. The phase transitions between the Baxter((2)) and the others well known phases for the model are studied and classified. (C) 2017 Elsevier B.V. All rights reserved.
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Ashkin-Teller model, New Baxter phase, Cubic lattice
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Inglês
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Physics Letters A. Amsterdam: Elsevier Science Bv, v. 382, n. 5, p. 272-275, 2018.
