Study the Entanglement Dynamics of an Anisotropic Two-Qubit Heisenberg XYZ System in a Magnetic Field Article Swipe

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YOU? · · 2017 · Open Access · · DOI: https://doi.org/10.4236/jqis.2017.74013

We investigate the entanglement dynamics of an anisotropic two-qubit Heisenberg XYZ system with Dzyaloshinskii-Moriya (DM) interaction in the presence of both inhomogeneity of the external magnetic field b and intrinsic decoherence which has been studied. The behavior of quantum correlation and the degree of entanglement between the two subsystems is quantified by using measurement-induced disturbance (MID), negativity (N) and Quantum Discord (QD), respectively. It is shown that in the presence of an inhomogeneity external magnetic field occur the phenomena of long-lived entanglement. It is found that the initial state is the essential role in the time evolution of the entanglement.

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Quantum entanglement Physics Quantum decoherence Quantum discord Qubit Quantum mechanics Squashed entanglement Magnetic field Heisenberg model Field (mathematics) W state Anisotropy Quantum Mathematics Ferromagnetism Pure mathematics

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Type: article
Language: en
Landing Page: https://doi.org/10.4236/jqis.2017.74013
PDF: http://www.scirp.org/journal/PaperDownload.aspx?paperID=81211
OA Status: diamond
Cited By: 4
References: 26
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DOI: https://doi.org/10.4236/jqis.2017.74013

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Title: Study the Entanglement Dynamics of an Anisotropic Two-Qubit Heisenberg XYZ System in a Magnetic Field

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Language: en

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Publication year: 2017

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Publication date: 2017-01-01

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Authors: Amena Rezk Mohammed, T. M. El-Shahat

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Landing page: https://doi.org/10.4236/jqis.2017.74013

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Concepts: Quantum entanglement, Physics, Quantum decoherence, Quantum discord, Qubit, Quantum mechanics, Squashed entanglement, Magnetic field, Heisenberg model, Field (mathematics), W state, Anisotropy, Quantum, Mathematics, Ferromagnetism, Pure mathematics

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Cited by: 4

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