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 The News of Altai State University
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Е.V. Shabunina, D.V. Spirin, V.N. Udodov

Features of the Behavior of the Specific Heat in One-dimensional Magnets Described by the Ising Model

The temperature dependences of a specific heat and a critical exponent α of a specific heat is investigated by means of Monte Carlo simulations for Ising mo#del magnetic, taking into account the interactions in the second and third coordination spheres. Universality of index α for the various sizes of chains is proved. It is established that the critical exponent α significantly depends on energy of interaction in the second and third coordination spheres.
Key words: nanomagnets, ferromagnets, one-dimensional Ising model, specific heat, critical indices.

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