Ashkin-Teller model

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The Ashkin-Teller model consists of a "two-dimensional square net consisting of four kinds of atoms supposing that only nearest neighbors interact and that there are only two distinct potential energies of interaction, one between like and one between unlike atoms" (Ref. 1).

See also[edit]


  1. J. Ashkin and E. Teller "Statistics of Two-Dimensional Lattices with Four Components", Physical Review 64 pp. 178-184 (1943)
  2. C. Fan "On critical properties of the Ashkin-Teller model", Physics Letters A 39 p. 136 (1972)