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Relative Energy Shift of a Two-Level Atom in a Cylindrical Spacetime

Relative Energy Shift of a Two-Level Atom in a Cylindrical Spacetime
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摘要 We investigate the evolution dynamics of a two-level atom system interacting with the massless scalar field in a Cylindrical spacetime. We find that both the energy shifts of ground state and excited state can be separated into two parts due to the vacuum fluctuations. One is the corresponding energy shift for a rest atom in four-dimensional Minkowski space without spatial compactification, the other is just the modification of the spatial compactified periodic length. It will reveal that the influence of the presence of one spatial compactified dimension can not be neglected in Lamb shift as the relative energy level shift of an ~tom.
作者 张佳林
出处 《Communications in Theoretical Physics》 SCIE CAS CSCD 2012年第11期657-660,共4页 理论物理通讯(英文版)
基金 Supported by the National Natural Science Foundation of China under Grant No.11005038 the Program for Changjiang Scholars and Innovative Research Team in University under Grant No.IRT0964 the Hunan Provincial Natural Science Foundation of China under Grant No.11JJ7001
关键词 Lamb shift vacuum fluctuation the master equation spatial compactification 二能级原子 能量转移 Minkowski空间 时空 圆柱 能级位移 演化动力学 紧凑化
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