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arXiv 1003.2771quant-phphysics.optics
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三光子态的偏振压缩和多体纠缠

Polarization squeezing and multipartite entanglement of triphoton states

G. R. Jin, S. Luo, Y. C. Liu, H. Jing, W. M. Liu

摘要:

基于标准角动量理论,我们建立了一个研究量子光场的偏振压缩和多体纠缠的框架。解析地得到了三光子态的平均偏振度和Stokes参量的方差,并以此研究了三光子态的最新观测结果[L。K. Shalm { \it等人},Nature \textbf{457},67(2009)]。我们的结果表明,最大纠缠NOON态的出现伴随着平均偏振的翻转,并可以很好地理解的量子费舍尔信息。

英文摘要:

Based upon standard angular momentum theory, we develop a framework to investigate polarization squeezing and multipartite entanglement of a quantum light field. Both mean polarization and variances of the Stokes parameters are obtained analytically, with which we study recent observation of triphoton states [L. K. Shalm {\it et al}, Nature \textbf{457}, 67 (2009)]. Our results show that the appearance of maximally entangled NOON states accompanies with a flip of mean polarization and can be well understood in terms of quantum Fisher information.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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