Clustering property for quantum Markov chains on the comb graph

Author:

Souissi Abdessatar12,Soueidy El Gheteb3,Rhaima Mohamed4

Affiliation:

1. Department of Management Information Systems, College of Business Management, Qassim University, ArRass, Saudi Arabia

2. Preparatory Institute for Scientific and Technical Studies, University of Carthage, Av. of the Republic, Carthage 1054, Tunisia

3. Department of Mathematics and Informatics, Faculty of Sciences and Technologies, University of Nouakchott, Nouakchott, Mauritania

4. Department of Statistics and Operations Research, College of Sciences, King Saud University, P. O. Box, Riyadh 11451, Saudi Arabia

Abstract

<abstract><p>Quantum Markov chains (QMCs) on graphs and trees were investigated in connection with many important models arising from quantum statistical mechanics and quantum information. These quantum states generate many important properties such as quantum phase transition and clustering properties. In the present paper, we propose a construction of QMCs associated with an $ XX $-Ising model over the comb graph $ \mathbb N\rhd_0 \mathbb Z $. Mainly, we prove that the QMC associated with the disordered phase, enjoys a clustering property.</p></abstract>

Publisher

American Institute of Mathematical Sciences (AIMS)

Subject

General Mathematics

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