| 压缩偶相干态的制备及其非经典特性 |
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| 引用本文： | 嵇英华.压缩偶相干态的制备及其非经典特性[J].物理学报,2003,52(2):332-336. |
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| 作者姓名： | 嵇英华 |
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| 作者单位： | 江西师范大学物理系,南昌 330027 |
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| 基金项目： | 江西省自然科学基金(批准号：001004)资助的课题. |
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| 摘 要： | 通过保持非耗散介观LC电路的固有频率不变，而使电路参数作阶跃函数变化，就可将介观LC电路由初始的偶相干态制备到压缩偶相干态；在压缩偶相干态下，介观电路系统不仅有非经典的量子压缩效应，而且有非经典的反聚束效应.
关键词：
介观LC电路
单位阶跃函数
压缩算符
压缩偶相干态
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| 关 键 词： | 介观LC电路 单位阶跃函数 压缩算符 压缩偶相干态 |
| 收稿时间： | 2002-01-19 |
| 修稿时间： | 2002年1月19日 |
Preparation of squeezed even coherence state and its nonclassical properties |
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| Ji Ying-Hua.Preparation of squeezed even coherence state and its nonclassical properties[J].Acta Physica Sinica,2003,52(2):332-336. |
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| Authors: | Ji Ying-Hua |
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| Abstract: | By keeping the frequency of non-dissipative mesoscopic LC circuit a constant and its parameter varying with the step function, the quantum state of the circuit evolves to a squeezed even coherent state from the initial even coherent state. The nonclassical properties, not only squeezing but also antibunching effects, appear in the circuit by adjusting its inductor parameter under the squeezed even coherent state. |
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| Keywords: | mesoscopic LC circuit unit step function squeezed operator squeezed even coherent state |
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