Generation of Werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems

Abstract We present a theoretical scheme for the generation of stationary entangled states. To achieve the purpose we consider an open quantum system consisting of a two-qubit plunged in a thermal bath, as the source of dissipation, and then analytically solve the corresponding quantum master equati...

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Autores principales:	E. Ghasemian, M. K. Tavassoly
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9bb186b1bfbd4f519660926497b8b921
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id	oai:doaj.org-article:9bb186b1bfbd4f519660926497b8b921
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spelling	oai:doaj.org-article:9bb186b1bfbd4f519660926497b8b9212021-12-02T14:27:02ZGeneration of Werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems10.1038/s41598-021-82880-32045-2322https://doaj.org/article/9bb186b1bfbd4f519660926497b8b9212021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-82880-3https://doaj.org/toc/2045-2322Abstract We present a theoretical scheme for the generation of stationary entangled states. To achieve the purpose we consider an open quantum system consisting of a two-qubit plunged in a thermal bath, as the source of dissipation, and then analytically solve the corresponding quantum master equation. We generate two classes of stationary entangled states including the Werner-like and maximally entangled mixed states. In this regard, since the solution of the system depends on its initial state, we can manipulate it and construct robust Bell-like state. In the continuation, we analytically obtain the population and coherence of the considered two-qubit system and show that the residual coherence can be maintained even in the equilibrium condition. Finally, we successfully encode our two-qubit system to solve a binary classification problem. We demonstrate that, the introduced classifiers present high accuracy without requiring any iterative method. In addition, we show that the quantum based classifiers beat the classical ones.E. GhasemianM. K. TavassolyNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q E. Ghasemian M. K. Tavassoly Generation of Werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems
description	Abstract We present a theoretical scheme for the generation of stationary entangled states. To achieve the purpose we consider an open quantum system consisting of a two-qubit plunged in a thermal bath, as the source of dissipation, and then analytically solve the corresponding quantum master equation. We generate two classes of stationary entangled states including the Werner-like and maximally entangled mixed states. In this regard, since the solution of the system depends on its initial state, we can manipulate it and construct robust Bell-like state. In the continuation, we analytically obtain the population and coherence of the considered two-qubit system and show that the residual coherence can be maintained even in the equilibrium condition. Finally, we successfully encode our two-qubit system to solve a binary classification problem. We demonstrate that, the introduced classifiers present high accuracy without requiring any iterative method. In addition, we show that the quantum based classifiers beat the classical ones.
format	article
author	E. Ghasemian M. K. Tavassoly
author_facet	E. Ghasemian M. K. Tavassoly
author_sort	E. Ghasemian
title	Generation of Werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems
title_short	Generation of Werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems
title_full	Generation of Werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems
title_fullStr	Generation of Werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems
title_full_unstemmed	Generation of Werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems
title_sort	generation of werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/9bb186b1bfbd4f519660926497b8b921
work_keys_str_mv	AT eghasemian generationofwernerlikestatesviaatwoqubitsystemplungedinathermalreservoirandtheirapplicationinsolvingbinaryclassificationproblems AT mktavassoly generationofwernerlikestatesviaatwoqubitsystemplungedinathermalreservoirandtheirapplicationinsolvingbinaryclassificationproblems
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Generation of Werner-like states via a two-qubit system plunged in a thermal reservoir and their application in solving binary classification problems

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