Dynamics of Bell-nonlocality of two-mode squeezed vacuum fields interacting with atoms
Dynamics of Bell-nonlocality of two-mode squeezed vacuum fields interacting with atoms
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与原子相互作用的二模压缩真空场的贝尔非局域性动力学
DOI:
10.1016/j.optcom.2011.02.072
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发表时间:
2011-06
影响因子:
2.4
通讯作者:
Miao, Long
中科院分区:
文献类型:
--
作者:
Chen, Rong-Xin;Hu, Chun;Miao, Long
We consider a system of two separated cavities with the cavity fields initially prepared in a two-mode squeezed vacuum state (TMSVS). We investigate the short time evolution of Bell-nonlocality of the fields interacting with one or two atoms. It is shown that the Bell-inequality violation of the fields can be fully destroyed in a finite time and reappears in the later time. After Bell-nonlocality sudden death (BNSD) in some cases, Bell-nonlocality of the fields almost but does not totally return to its initial value when the squeezing parameter for the fields is small. The pattern of Bell-nonlocality evolution is dependent on the squeezing parameter of the fields, the detuning between the atomic transition and field frequency and the differences between atom-field couplings.
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