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Название: Incommensurate Structure in the Lattice-Gas ANNNI Model
Авторы: Karasova I., Surda A.
The phase diagram of the two-dimensional lattice.gas ANNNI model is investigated using the cluster transfer-matrix method. The numerical calculations have shown commensurate, disordered, and floating incommensurate phases. The properties of the incommensurate phase are studied in detail and the position of the Lifshitz point is discussed.