原子与分子物理学报2017，Vol.34Issue(4)：716-721,6.DOI:10.3969/j.issn.1000-0364.2017.04.020
量子关联与原子间相互作用距离关系的研究
The research on the relationship between Quantum correlation and interatomic distance
闫丽1
作者信息
- 1. 菏泽学院物理与电子工程系, 菏泽274015
- 折叠
摘要
Abstract
In this paper, we pour two two-level atoms into a cavity.We measure the entanglement between the two atoms by using the method of concurrence and introduce the quantum discord between them.And we give computational formula of concurrence entanglement, quantum discord between the atom and the environment.Also discuss the influence of the atom spontaneous decay rate to the entanglement and the quantum discord.The evolution of the entanglement and quantum discord with the atomic distance with the different initial states.The results show that the entanglement and quantum discord between the atom and the environment all increase with the decreasing of the atomic spontaneous decay rate;In addition, the phenomenon of entanglement sudden death or quantum discord is zero can be controlled by choosing different initial state.关键词
量子关联/共生纠缠/量子失协/原子间相互作用距离Key words
Quantum correlation/Concurrence entanglement/Quantum discord/Interatomic distance分类
数理科学引用本文复制引用
闫丽..量子关联与原子间相互作用距离关系的研究[J].原子与分子物理学报,2017,34(4):716-721,6.
