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Proceedings Paper

Quantifying the entanglement of quantum Gaussian state
Author(s): Xiaoyu Chen; Peiliang Qiu; Hong-liang Ge; Li-Zhen Jiang; Zhong-ping Qiu
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Paper Abstract

The entanglement of formation of bipartite quantum Gaussian state is investigated by means of local operation, which maps continuous variable state to a bipartite qubits system. A two parameters quantum Guassian state is introduced, the concurrence of its mapped qubits state is calculated to characterize the entanglement of the original state.

Paper Details

Date Published: 13 September 2002
PDF: 4 pages
Proc. SPIE 4917, Quantum Optics in Computing and Communications, (13 September 2002); doi: 10.1117/12.483032
Show Author Affiliations
Xiaoyu Chen, Univ. of Science and Technology of China (China)
Peiliang Qiu, Zhejiang Univ. (China)
Hong-liang Ge, China Institute of Metrology (China)
Li-Zhen Jiang, China Institute of Metrology (China)
Zhong-ping Qiu, China Institute of Metrology (China)

Published in SPIE Proceedings Vol. 4917:
Quantum Optics in Computing and Communications
Songhao Liu; Guangcan Guo; Hoi-Kwong Lo; Nobuyuki Imoto, Editor(s)

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