Abstract
The theory of order-disorder phase transitions is discussed for systems with a four-well potential. It is shown that the model can be generalized to the case of the well-known Ising model in a transverse field. It is also shown that two or three crystalline phases can emerge as the temperature is reduced.
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Fiz. Tverd. Tela (St. Petersburg) 39, 2217–2219 (December 1997)
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Shadchin, E.A. The sequence of structural phase transitions in systems with a four-well potential. Phys. Solid State 39, 1978–1980 (1997). https://doi.org/10.1134/1.1130212
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DOI: https://doi.org/10.1134/1.1130212