Atomic nonclassicality in the Jaynes-Cummings model

被引：0
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作者：
Dai, Hao [1 ,2 ]
Fu, Shuangshuang [3 ]
Luo, Shunlong [1 ,2 ]
机构：
[1] Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing,100190, China
[2] School of Mathematical Sciences, University of the Chinese Academy of Sciences, Beijing,100049, China
[3] School of Mathematics and Physics, University of Science and Technology Beijing, Beijing,100083, China
来源：
Physics Letters, Section A: General, Atomic and Solid State Physics | 2022年 / 384卷 / 12期
关键词：
The Jaynes-Cummings model; a fundamental and ideal paradigm for the study of atom-field interaction with remarkable beauty and complexity; plays an instrumental role in cavity quantum electrodynamics and related experiments. The dynamics of both the atom and the field in this ubiquitous model; which exhibit a number of intriguing nonclassical effects; have been widely studied and engineered from various perspectives. In particular; the collapses and revivals for several physical quantities have been revealed; with important implications for quantum foundations and technologies. In this work; we study the atomic nonclassicality in the Jaynes-Cummings model in terms of an information-theoretic quantifier; reveal its basic features; and compare them with various well known observations of atomic dynamics. The sensitivity of the dynamics on both the initial atomic states and field states indicates rich patterns of atom-field interaction; and may be exploited to estimate; prepare; and engineer atomic states via fields; or vice versa. © 2020 Elsevier B.V;
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