| 周期或准周期超晶格薄膜表面吸附原子的自发辐射性质 |
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| 引用本文： | 李孝申,龚昌德.周期或准周期超晶格薄膜表面吸附原子的自发辐射性质[J].物理学报,1988,37(4):618-628. |
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| 作者姓名： | 李孝申 龚昌德 |
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| 作者单位： | (1)南京大学物理系; (2)中国高等科学技术中心(世界实验室)理论物理中心,南京大学物理系 |
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| 摘 要： | 本文把由库理论和耗散系统量子化方法所求得的表面修饰的光学布洛赫方程,同麦克斯韦方程自洽地相结合,求得周期或准周期超晶格薄膜表面吸附原子的自发辐射寿命和频移,讨论了构成该薄膜各层的厚度和介电性质及总层数对上述自发辐射性质的影响。同时,把周期性情况和准周期情况分别求得的结果进行了比较。
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| 收稿时间： | 7/6/1987 12:00:00 AM |
SPONTANEOUS EMISSION OF AN ATOM NEAR THE SURFACE OF A SUPERLATTICE FILM WITH PERIODIC OR QUASI-PERIODIC STRUCTURE |
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| LI XIAO-SHEN and GONG CHANG-DE.SPONTANEOUS EMISSION OF AN ATOM NEAR THE SURFACE OF A SUPERLATTICE FILM WITH PERIODIC OR QUASI-PERIODIC STRUCTURE[J].Acta Physica Sinica,1988,37(4):618-628. |
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| Authors: | LI XIAO-SHEN and GONG CHANG-DE |
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| Abstract: | The surface-dressed optical Bloch equations and the Maxwell equations are combined consistently to obtain spontaneous decay rates and frequency shifts for an atom near the surface of a superlattice film with periodic or quasi-periodic structure. The effects of the number, thickness and dielectric properties of the layers constructing this film on the spontaneous emission properties are discussed. The results for the two different cases of periodic structure and quasi periodic structure are comparable. |
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