| 两模微腔中四能级原子粒子布居数随时间的演化 |
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| 引用本文： | 曲照军,柳盛典,杨传路.两模微腔中四能级原子粒子布居数随时间的演化[J].大学物理,2004,23(10):40-42,55. |
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| 作者姓名： | 曲照军 柳盛典 杨传路 |
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| 作者单位： | 烟台师范学院,物理系,山东,烟台,264000;烟台师范学院,物理系,山东,烟台,264000;烟台师范学院,物理系,山东,烟台,264000 |
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| 摘 要： | 在相互作用绘景中利用微扰法求解了两模微腔的腔模与注入其内的四能级原子^40Ca构成的相互作用系统的态函数随时间的演化关系，在此基础上导出了原子的约化密度算符及其粒子布居数随时间的演化关系，由此可进一步研究四能级原子在腔场中的动力学行为。
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| 关 键 词： | 两模微腔 四能级原子 原子的约化密度算符 布居数 |
| 文章编号： | 1000-0712(2004)10-0040-03 |
Time-evolution of the population of a four-level atom in a two-mode cavity |
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| QU Zhao-jun,LIU Sheng-dian,YANG Chuan-lu.Time-evolution of the population of a four-level atom in a two-mode cavity[J].College Physics,2004,23(10):40-42,55. |
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| Authors: | QU Zhao-jun LIU Sheng-dian YANG Chuan-lu |
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| Abstract: | The time-evolution of the state of the system consisting of the cavity modes with an injected four-level atom ()~(40)Ca in a two-mode cavity is solved by means of the perturbation method in the interaction picture. The reduced atomic density operator and the time-evolution of the atomic population are derived on the basis of the above solving, which is useful for further research on the atomic dynamic behavior in the cavity field. |
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| Keywords: | two-mode cavity four-level atom reduced atomic density operator population |
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