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Yurke-like态的自旋压缩

, PP. 314-317

Keywords: 量子光学,自旋压缩,Yurke-like态,最优压缩方向

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Abstract:

利用自旋压缩研究了Yurke-like态的纠缠特性。由于Yurke-like态可以看成是一个对称量子态和两个特殊多粒子态的相干叠加,因此可以通过研究叠加系数和相对相位对自旋压缩参数的影响来研究Yurke-like态的纠缠特性;利用求极值的办法得到了最佳压缩方向角和最佳压缩值的解析表达式。结果表明自旋压缩参数随叠加系数单调变化而随相对相位作周期性改变;粒子数越多,压缩程度越高。

References

[1]  Li Songsong, Huang Yibin.Entanglement of superposition of multi-states[J].International journal of quantum information,2008,6:561-
[2]  Chen Meixiang, Li Honghai, Huang Zhiping, et al.Teleportation of a three-particle W state without the Bell-state measurement[J].Chinese Journal of Quantum Electronics (量子电子学报,2006,23(3):393-
[3]  Zha Xinwei.Expansion of orthogonal complete set and transformation operator in teleportation of three-particle entangled state[J].Chinese Journal of Quantum Electronics (量子电子学报,2007,24(2):179-
[4]  Ji Xin, Zhang Shou.Teleportation of the three-particle entangled state by the two EPR pairs[J].Chinese Journal of Quantum Electronics (量子电子学报,2006,23(6):816-
[5]  CAO Zhuo-Liang, DONG Ping, XUE Zheng-yuan.量子隐形传态的研究进展[J].安徽大学学报,2006,30(3):48-
[6]  Deng F G, Li Y S, et al.Symmetric multiparty-controlled teleportation of an arbitrary two-particle entanglement[J].Phys. Rev. A,2005,72:022338-
[7]  Zhang Z J, Man Z X, Many-agent controlled teleportation of multi-pubit quantum information[J].Phys[J].Lett. A,2005,341:55-
[8]  Man Z X, Xia Y J, Nguyen Ba An.Genuine multiqubit entanglement and controlled teleportation[J].Phys. Rev. A,2007,75:052306-
[9]  Liu X S, Long G L, Tong D M, et al.General scheme for superdense coding between multiparties[J ][J].Phys Rev A,2002,65:022304-
[10]  Jiu-Cang Hao, Chuan-Feng Li and Guang-Can Guo.Controlled dense coding using the Greenberger-Horne-Zeilinger state[J][J].Phys Rev A,2001,63: 054301-
[11]  Chen J L, Kuang L M.Quantum dense coding in multiparticle entangled states via local measurements[J ][J].Chin Phys Lett,2004,21:12-
[12]  Zhang Gang, Dong Ping.. Unconventional geometric quantum computation with quantum-dot spin qubits inside a cavity[J].量子电子学报,2009,:-
[13]  Zhou Ming, Hu Lian.Influence of the noise on geometric quantum gates[J].Chinese Journal of Quantum Electronics (量子电子学报,2007,24(4):469-
[14]  Liu Y C, Jin G R.二能级原子系综的自旋压缩[J].中国科学:物理学 力学 天文学,2010,40(2):191-
[15]  Kitagawa M, Ueda M.Squeezed spin states[J].Phys Rev A,1993,47:5138-
[16]  Song Lijun, Yan Dong, LI Yongda.Properties of Spin Squeezing in the Quantum Chaotic System[J].Chinese Journal of Luminescence(发光学报,2007,28(3):336-
[17]  Hu Mingliang, Tian Dongping.Entanglement and spin squeezing in the three- and four-qubit Heisenberg XY spin chain[J].Journal of Atomic and Molecular Physics,2008,25(1):225-
[18]  Lewenstein M, Kraus B, Cirac J I, Horodecki P.Optimization of entanglement witnesses[J].Phys Rev A,2000,62:052310-
[19]  Wang X G, Adam Miranowicz, Liu Y X, Sun C P, Franco Nori.Sudden vanishing of spin squeezing under decoherence[J].Phys Rev A,2010,81:022106-
[20]  Joshua Combes, Wiseman H M.States for phase estimation in quantum interferometry[J].J. Opt. B: Quantum Semiclass. Opt,2005,7:14-
[21]  Fu C B, Xia Y, Liu B X, et al.Controlled quantum dense coding in a four-particle non-maximally entangled state via local measurements[J].Journal of the Korean Physical society,2005,46:1080-
[22]  Wan Hong-bo,Ye Liu.Scheme for implementing quantum dense coding by using linear optical system[J].Chinese Journal of Quantum Electronics (量子电子学报,2010,27(2):161-
[23]  Zhu Aidong Zhang Shou.Quantum key distribution and controlled quantum direct communication applying product state of qutrit[J].Chinese Journal of Quantum Electronics (量子电子学报,2007,24(3):316-
[24]  Zhang Guangyu, Ma Jing, Tan Liying.Study on quantum key bit rate in free-space quantum cryptography[J].Chinese Journal of Quantum Electronics (量子电子学报,2005,22(6):868-
[25]  Chen Zhixin, Tang Zhilie, Liao Changjun, Liu Jinfeng, Wei Zhengjun, Liu Songhao.Quantum Cryptography and Secure Communications[J].Chinese Journal of Quantum Electronics (量子电子学报,2003,20(4):385-
[26]  Gao Yumei, Hu Lian.Non-adiabatic geometric quantum computation and topological quantum gates[J].Chinese Journal of Quantum Electronics (量子电子学报,2006,23(2):183-

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