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Related papers: Three-state $p$-SOS models on binary Cayley trees

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In this paper is studied HC-models on a Cayley tree. two states HC-model on a Cayley tree and Under some conditions on parameters of the two state HC-model we prove existence exactly two of the weakly periodic (non periodic) Gibbs measures.…

Mathematical Physics · Physics 2016-01-12 Rustam Khakimov

We consider both Hard-Core and Soft-Core Widom-Rowlinson models with spin values $-1,0,1$ on a Cayley tree of order $k\geq 2$ and we are interested in the Gibbs measures of the models. The models depend on 3 parameters: the order $k$ of the…

Probability · Mathematics 2019-05-22 Sascha Kissel , Christof Kuelske , Utkir A. Rozikov

In this paper, we continue an investigation of the $p$-adic Ising-Vannimenus model on the Cayley tree of an arbitrary order $k$ $(k\geq 2$). We prove the existence of $p$-adic quasi Gibbs measures by analyzing fixed points of…

Dynamical Systems · Mathematics 2015-10-21 Farrukh Mukhamedov , Mansoor Saburov , Otabek Khakimov

This work is devoted to description of all translation-invariant $p$-adic Gibbs measures for the $q$-state Potts model on a Cayley tree. In particular for the Cayley tree of order three we give exact number of such measures.

Functional Analysis · Mathematics 2014-03-31 Otabek Khakimov

We consider Gradient Gibbs measures corresponding to a periodic boundary law for a generalized SOS model with spin values from a countable set, on Cayley trees. On the Cayley tree, detailed information on Gradient Gibbs measures for models…

Probability · Mathematics 2023-09-06 F. H. Haydarov , R. A. Ilyasova

We consider fertile HC-models with four-states and the parametre activity on a Cayley tree. It is known that three types of such models exist. For each of these models we prove uniqueness of the translation-invarinat Gibbs measure on a…

Mathematical Physics · Physics 2015-06-09 R. M. Khakimov

In this paper we consider a $p$-adic Ising model on the Cayley tree of order $k\geq 2$. We give full description of all $p$-adic translation-invariant generalized Gibbs measures for $k=3$. Moreover, we show the existence of phase transition…

Mathematical Physics · Physics 2020-01-08 Muzaffar Rahmatullaev , Otabek Khakimov , Akbarxoja Tukhtaboev

A complete description of two-periodic Gibbs measures on the Cayley tree of orders two and three for HC model with two states is obtained and using the reconstruction method, the extremality of these measures in the area of their existence…

Mathematical Physics · Physics 2021-11-23 U. Rozikov , R. Khakimov , M. Makhammadaliev

In this paper, we focus on studying non-probability Gibbs measures for a Hard Core (HC) model on a Cayley tree of order $k\geq 2$, where the set of integers $\mathbb Z$ is the set of spin values. It is well-known that each Gibbs measure,…

Probability · Mathematics 2023-07-10 U. Rozikov , R. Khakimov , M. T. Makhammadaliev

We consider the Ising model with competing interactions and a nonzero external field on the Cayley tree of order two. We describe ground states and verify the Peierls condition for the model. Using a contour argument we show the existence…

Mathematical Physics · Physics 2023-07-26 M. M. Rahmatullaev , M. A. Rasulova , J. N Asqarov

For the Ising model on Cayley trees we give a very wide class of new Gibbs measures. We show that these new measures are extreme under some conditions on the temperature. We give a review of all known Gibbs measures of the Ising model on…

Mathematical Physics · Physics 2017-05-16 M. M. Rakhmatullaev , U. A. Rozikov

We consider fertile three-state Hard-Core (HC) models with the activity parameter $\lambda>0$ on a Cayley tree. It is known that there exist four types of such models: "wrench"\,, "wand"\,, "hinge"\, and "pipe"\,. In cases "wand"\, and…

Mathematical Physics · Physics 2024-01-18 Rustamjon Khakimov , Muhtorjon Makhammadaliev , Kamola Umrzakova

In the present paper we provide a new construction of measure, called $p$-adic quasi Gibbs measure, for countable state of $p$-adic Potts model on the Cayley tree. Such a construction depends on a parameter $\frak{p}$ and wights. In…

Mathematical Physics · Physics 2012-08-17 Farrukh Mukhamedov

We consider fertile three-state Hard-Core (HC) models with the activity parameter $\lambda>0$ on a Cayley tree. It is known that there exist four types of such models: wrench, wand, hinge, and pipe. These models arise as simple examples of…

Mathematical Physics · Physics 2023-08-21 R. M. Khakimov , K. O. Umirzakova

In the present paper the Ising model with competing binary ($J$) and binary ($J_1$) interactions with spin values $\pm 1$, on a Cayley tree of order 2 is considered. The structure of Gibbs measures for the model considered is studied. We…

Mathematical Physics · Physics 2009-11-11 Farrukh Mukhamedov , Utkir Rozikov

We consider nearest-neighbor fertile hard-core models, with three states, on a homogeneous Cayley tree. It is known that there are four type of such models. We investigate all of them and describe translation-invariant and periodic…

Mathematical Physics · Physics 2007-05-23 U. A. Rozikov , Sh. A. Shoyusupov

We consider models with nearest-neighbor interactions and with the set $[0,1]$ of spin values, on a Cayley tree of order $k\geq 1$. We study periodic Gibbs measures of the model with period two. For $k=1$ we show that there is no any…

Functional Analysis · Mathematics 2013-02-26 U. A. Rozikov , F. H. Haydarov

In this paper we study homogeneous Gibbs measures on a Cayley tree, subjected to an infinite-temperature Glauber evolution, and consider their (non-)Gibbsian properties. We show that the intermediate Gibbs state (which in zero field is the…

Mathematical Physics · Physics 2016-11-25 Aernout van Enter , Victor Ermolaev , Giulio Iacobelli , Christof Kuelske

In the present paper we consider countable state $p$-adic Potts model on the Cayley tree. A construction of $p$-adic Gibbs measures which depends on weights $\l$ is given, and an investigation of such measures is reduced to examination of…

Mathematical Physics · Physics 2010-11-04 A. Yu. Khrennikov , F. M. Mukhamedov , J. F. F. Mendes

In this paper we study the extremality of translation-invariant Gibbs measure for the HC-model on a Cayley tree. It is known that for this model the translation-invariant measure is unique. We give a new proof of this statement and found…

Mathematical Physics · Physics 2016-10-18 U. A. Rozikov , R. M. Khakimov