Geodesic
On $(k_0)$-translation-invariant and $(k_0)$-periodic Gibbs measures for Potts model on Cayley tree
Ufa mathematical journal, Tome 14 (2022) no. 4, pp. 42-55

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As a rule, the solving of problem arising while studying the thermodynamical properties of physical and biological system is made in the framework of the theory of Gibbs measure. The Gibbs measure is a fundamental notion defining the probability of a microscopic state of a given physical system defined by a given Hamiltonian. It is known that to each Gibbs measure one phase of a physical system is associated to, and if this Gibbs measure is not unique then one says that a phase transition is present. In view of this the study of the Gibbs measure is of a special interest. In this paper we study $(k_0)$-translation-invariant $(k_0)$-periodic Gibbs measures for the Potts model on the Cayley tree. Such measures are constructed by means of translation-invariant and periodic Gibbs measures. For the ferromagnetic Potts model, in the case $k_0=3$ we prove the existence of $(k_0)$-translation-invariant, that is, $(3)$-translation-invariant Gibbs measures. For antiferromagnetic Potts model and also in the case $k_0=3$ we prove the existence of $(k_0)$-periodic ($(3)$-periodic) Gibbs measures on the Cayley tree.
Keywords: Cayley tree, Gibbs measure, Potts model, $(k_0)$-translation-invariant Gibbs measure, $(k_0)$-periodic Gibbs measure. 
@article{UFA_2022_14_4_a3,
     author = {J. D. Dekhkonov},
     title = {On $(k_0)$-translation-invariant  and $(k_0)$-periodic {Gibbs} measures for {Potts} model on {Cayley} tree},
     journal = {Ufa mathematical journal},
     pages = {42--55},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2022_14_4_a3/}
}
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J. D. Dekhkonov. On $(k_0)$-translation-invariant  and $(k_0)$-periodic Gibbs measures for Potts model on Cayley tree. Ufa mathematical journal, Tome 14 (2022) no. 4, pp. 42-55. http://geodesic.mathdoc.fr/item/UFA_2022_14_4_a3/