Quantum correlation generation in a damped cavity

Jun Gang Li; Jian Zou; Bao Ming Xu; Bin Shao

doi:10.1088/0256-307X/28/9/090301

Quantum correlation generation in a damped cavity

Jun Gang Li^*, Jian Zou, Bao Ming Xu, Bin Shao

^*Corresponding author for this work

School of Physics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Dynamic evolutions of the quantum discord and entanglement between two charge qubits located inside a damped cavity are demonstrated analytically. It is found that with cavity dissipation, the dynamics of the quantum discord between two qubits is sensitive to the degree of mixing of the initial qubits' state. This is different from steady entanglement, which is independent of the degree of mixing of the initial state of the qubits.

Original language	English
Article number	090301
Journal	Chinese Physics Letters
Volume	28
Issue number	9
DOIs	https://doi.org/10.1088/0256-307X/28/9/090301
Publication status	Published - Sept 2011

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title = "Quantum correlation generation in a damped cavity",

abstract = "Dynamic evolutions of the quantum discord and entanglement between two charge qubits located inside a damped cavity are demonstrated analytically. It is found that with cavity dissipation, the dynamics of the quantum discord between two qubits is sensitive to the degree of mixing of the initial qubits' state. This is different from steady entanglement, which is independent of the degree of mixing of the initial state of the qubits.",

author = "Li, {Jun Gang} and Jian Zou and Xu, {Bao Ming} and Bin Shao",

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AU - Xu, Bao Ming

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N2 - Dynamic evolutions of the quantum discord and entanglement between two charge qubits located inside a damped cavity are demonstrated analytically. It is found that with cavity dissipation, the dynamics of the quantum discord between two qubits is sensitive to the degree of mixing of the initial qubits' state. This is different from steady entanglement, which is independent of the degree of mixing of the initial state of the qubits.

AB - Dynamic evolutions of the quantum discord and entanglement between two charge qubits located inside a damped cavity are demonstrated analytically. It is found that with cavity dissipation, the dynamics of the quantum discord between two qubits is sensitive to the degree of mixing of the initial qubits' state. This is different from steady entanglement, which is independent of the degree of mixing of the initial state of the qubits.

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DO - 10.1088/0256-307X/28/9/090301

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SN - 0256-307X

VL - 28

JO - Chinese Physics Letters

JF - Chinese Physics Letters

IS - 9

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Quantum correlation generation in a damped cavity

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