| 压缩真空态的激发态下介观串并联RLC电路的量子涨落 |
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| 引用本文： | 徐兴磊,李红.压缩真空态的激发态下介观串并联RLC电路的量子涨落[J].郑州大学学报(理学版),2007,39(1):67-70. |
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| 作者姓名： | 徐兴磊 李红 |
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| 作者单位： | 1. 菏泽学院物理系,山东,菏泽,274015
2. 中原工学院理学院,郑州,450007 |
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| 基金项目： | 菏泽学院自然科学基金;山东省自然科学基金 |
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| 摘 要： | 将介观串并联RLC电路等效成阻尼谐振子并量子化,研究了压缩真空态的激发态、压缩真空态、真空态下电流和电压的量子涨落.结果表明,支路电流电压的量子涨落不仅与电路器件的参数有关,而且和激发量子数、压缩因子及压缩角有关,并随时间衰减.
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| 关 键 词： | 激发态 介观串并联RLC电路 阻尼谐振子 量子涨落 |
| 文章编号： | 1671-6841(2007)01-0067-04 |
| 修稿时间： | 05 1 2006 12:00AM |
Quantum Fluctuations of Mesoscopic Series-parallel Connection RLC Circuit in Excitation State of the Squeezed Vacuum State |
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| XU Xing-lei,LI Hong.Quantum Fluctuations of Mesoscopic Series-parallel Connection RLC Circuit in Excitation State of the Squeezed Vacuum State[J].Journal of Zhengzhou University:Natural Science Edition,2007,39(1):67-70. |
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| Authors: | XU Xing-lei LI Hong |
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| Institution: | 1. Department of Physics , Heze College , Heze 274015 ,China; 2. College of Science ,Zhongyuan University of Technology ,Zhengzhou 450007 ,China |
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| Abstract: | Mesoscopic series-parallel connection RLC circuit is quantized by the method of damped harmonic oscillator operation.On this basic theory,quantum fluctuations of the current and voltage of each branch in excitation state of the squeezed vacuum state,squeezed vacuum state and vacuum state are studied.The result shows that the quantum fluctuations of the current and voltage of each branch are related with not only parameter of the circuit element,but also quantum number of excitation,squeezed coefficients and squeezed angle.These fluctuations decay with time because of damped resistance. |
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| Keywords: | excitation state mesoscopic series-parallel connection RLC circuit damped harmonic oscillator quantum fluctuation |
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