Academic Journal

Dynamics of Bell-nonlocality and entanglement in a ring cavity induced by spontaneous emission.

التفاصيل البيبلوغرافية
العنوان: Dynamics of Bell-nonlocality and entanglement in a ring cavity induced by spontaneous emission.
المؤلفون: Liu, Yu-Jie1,2, Wang, Qi1, Zheng, Li2, Lü, Huan-Lin2, Long, Yu-Mei1, Liu, Hui1, Zheng, Tai-Yu1 271183093@qq.com
المصدر: Optics Communications. Nov2017, Vol. 403, p271-276. 6p.
مصطلحات موضوعية: *ATOMS, *LASER transitions, *LIGHT transitions, *ANALYTICAL mechanics, *FORCE & energy, *MECHANICS (Physics)
مستخلص: By considering the spatial motion of the atoms, we study the time evolution of Bell nonlocality and entanglement of a pair of atoms for two kinds of Werner-type internal states in an ideal single-mode ring cavity. We have proved that both Bell nonlocality and entanglement have the phenomena of sudden death and sudden birth for the initial state W ± ′ , while for the initial state W ± , Bell nonlocality has the phenomenon of sudden death, but entanglement decays to zero asymptotically over time. We also notice that the preservation of Bell-inequality violation is much shorter than that of entanglement. In addition, it is shown that the disentanglement time and the Bell-inequality violation time both depend on the purity and the width of the wave packet describing the motion of the atomic center of mass. [ABSTRACT FROM AUTHOR]
قاعدة البيانات: Academic Search Index
الوصف
تدمد:00304018
DOI:10.1016/j.optcom.2017.07.056