Quantum Correlation Dynamics in Controlled Two-Coupled-Qubit Systems

Quantum Correlation Dynamics in Controlled Two-Coupled-Qubit Systems

We study and compare the time evolutions of concurrence and quantum discord in a driven system of two interacting qubits prepared in a generic Werner state. The corresponding quantum dynamics is exactly treated and manifests the appearance and disappearance of entanglement. Our analytical treatment...

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Bibliographic Details
Main Authors: Iulia Ghiu, Roberto Grimaudo, Tatiana Mihaescu, Aurelian Isar, Antonino Messina
Format: Article
Language:English
Published: MDPI AG 2020-07-01
Series:Entropy
Subjects:
sudden death of entanglement
quantum discord
Werner state
Online Access:https://www.mdpi.com/1099-4300/22/7/785

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