| 纠缠相干态的压缩特性 |
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| 引用本文： | 曾爱华,赵云辉,匡振华. 纠缠相干态的压缩特性[J]. 量子光学学报, 2004, 10(2): 67-72 |
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| 作者姓名： | 曾爱华 赵云辉 匡振华 |
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| 作者单位： | 邵阳学院,物理系,湖南,邵阳,422000;邵阳学院,物理系,湖南,邵阳,422000;邵阳学院,物理系,湖南,邵阳,422000 |
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| 摘 要： | 研究纠缠相干态的量子纠缠特性和压缩特性。计算和分析了纠缠相干态的纠缠度和单模、双模压缩特性。讨论了纠缠和压缩二种非经典效应的关系，发现可以通过操纵纠缠度来达到增加或减弱压缩的目的。并指出了单模压缩和双模压缩表现出完全不同的特性。
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| 关 键 词： | 纠缠相干态 单模压缩 双模压缩 |
| 文章编号： | 1007-6654(2004)02-0067-06 |
| 收稿时间： | 2004-02-10 |
| 修稿时间： | 2004-02-10 |
Squeezing Properties of Entangled Coherent States |
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| ZENG Aihua,ZHAO Yunfei,KUANG Zhenhua. Squeezing Properties of Entangled Coherent States[J]. Acta Sinica Quantum Optica, 2004, 10(2): 67-72 |
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| Authors: | ZENG Aihua ZHAO Yunfei KUANG Zhenhua |
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| Abstract: | Quantum entanglement and squeezing are kinds of important nonclassical phenomena of quantum systems. In this paper entangling and squeezing properties of entangled coherent states are studied analytically and numerically. The realtions between two nonclassical effects of squeezing and entanglement are investigated in detail. It is found that the degree of squeezing can be increased or decreased through changing the degree of entanglement. And it is shown that squeezing properties of single-mode squeezing is very different from that of two-mode squeezing. |
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| Keywords: | entangled coherent states single-mode squeezing two-mode squeezing |
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