Transitions de phases pour un modèle XY sur un arbre de Cayley d'ordre trois dans un schéma de chaines de Markov quantiques

Translated title of the contribution: Phase transitions for XY-model on the Cayley tree of order three in quantum Markov chain scheme

Farrukh Mukhamedov, Mansoor Saburov

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

In the present Note we study forward Quantum Markov Chains (QMC) defined on a Cayley tree. Using the tree structure of graphs, we give a construction of quantum Markov chains on the Cayley tree. By means of such constructions we prove the existence of a phase transition for the XY-model on a Cayley tree of order three in QMC scheme. By the phase transition we mean the existence of two distinct QMC for the given family of interaction operators {K〈x,y〉}.

Translated title of the contributionPhase transitions for XY-model on the Cayley tree of order three in quantum Markov chain scheme
Original languageFrench
Pages (from-to)425-428
Number of pages4
JournalComptes Rendus Mathematique
Volume349
Issue number7-8
DOIs
Publication statusPublished - Apr 2011
Externally publishedYes

ASJC Scopus subject areas

  • General Mathematics

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