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- Quantum theory is used to study the fidelity of quantum information of binomial light field interacting with pair atoms of entanglement state. 摘要应用全量子理论研究了初始处于纠缠态双原子与二项式光场共振相互作用的光场量子信息保真度。
- The atom-field maximal entanglement state and atom-atom maximal entanglement state can be preparated by selecting appropriate system parameters and the interaction time. 选取适当的系统参数和相互作用时间，可以制备原子一场最大纠缠态与原子-原子最大纠缠态。
- It is shown that the quantum entanglement state will stay in the maximally entangled state for a long time when the detuning is equal to Rabi frequency. 研究结果表明：在失谐量等于拉比频率时，该体系的纠缠度将长时间处于最大纠缠态。
- a pair atoms of entanglement state 纠缠态原子
- Up to now, many kinds of nonclassical states including entanglement states have been obtained in theory and experiments respectively. 到目前为止,人们已分别从理论与实验两个方面研究了包括纠缠光场在内的各种类型的非经典光。
- At the same time, the different form entanglement states can be prepared by using the interaction of the atoms with the cavity-field. 同时，利用原子与腔场的相互作用可制备不同形式的纠缠态。
- The results shows that the two-atom entanglement state will forever stay in the maximum entangled state when the initial state is , while the Bell state atoms appear disentanglement most of the time. 原子处于 时，初始纠缠的两原子始终较长时间处于退纠缠状态；原子处在 时，增大双模光场的平均光子数可以明显增大两原子之间的纠缠度并保持较大的纠缠状态；
- Considers the problem of deleting of bipartite orthogonal maximal entanglement states and deleting of quantum channel,also deriver some necessary and sufficient conditions when they can be deleted. 考虑在局域操作下,两体最大正交纠缠态和量子信道的局域删除问题,得到了它们可以实现局域删除的充要条件。
- The system will stay in an entangled state with phase decoherence if the detuning is proper. 当失谐量适当时，系统可保持在纠缠相对较大的状态而无消纠缠态。
- It does not need multi-particles entangled state but only Einstein-Podolsky-Rosen pair to realize the protocol. 协议的实现只需要Einstein-Podolsky-Rosen对而不需要制备多粒子纠缠态。
- After nonresonant atom-field interactions ons the wholeSystem is in an entangled state with GHZ form. 原子与腔场的非共振相互作用使系统处于GHZ纠缠态。
- In 1993, Bennett et al. proposed a scheme for teleporting an unknown quantum state of one-particle via a two-particle maximally entangled state. 1993年,Bennett等人提出了量子隐形传态方案,方案中采用了最大纠缠态作为量子信道来传送未知量子态。
- We present a quantum secure direct communication protocol by using Green-berger -Horne-Zeilinger (GHZ) entangled state via local unitary operations. 本文提出了一个利用Greenberger-Horne-Zeilinger(GHZ)纠缠态作为量子信道的安全直接通信方案。
- An impediment to scaling up these approaches, however, was that the quality of the entangled state decreased as the number of ions increased. 然而，当离子数量增加，缠结状态的品质就会下降，这种特性便成了这项技术的一道障碍。
- The greater depth and longer time of field entropy squeezing appear when the pair of atoms are initially in the maximally entangled state. 初始光场强度对场熵的压缩深度和压缩时间也具有显著的影响。
- Economically, the country is in a very healthy state. 从经济学的观点来说，国家处于很兴旺的状态之中。
- He went on the stump in his home state. 他到故乡所在的州去发表演说。
- He is reading a report of the state of the roads. 他正在看一篇关于道路状况的报告。
- A scheme was presented for teleporting a frequency?entangled state with the successful probability 25% based on the principle of the acoustic?optic modulator(AOM). 提出一个基于声 光调制器(AOM)原理传送光子频率纠缠态并具有25%25的成功率的方案。
