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。
Quantum bits, or qubits, can also be entangled - the state of one qubit influences the state of another even at a considerable distance.
量子位，或称量位，也会互扰- - -即便相离甚远，某个量位的状态还是会影响另一个量位的状态。
The other two, B and c, are created further down the line in an entangled state, and sent off in different directions.
另外两个分别是B和C，它们在另外一点以纠缠态被生成，并被以不同方向传送。
Once entangled, a photon can carry any information stored in the atom's quantum state to other parts of the computer.
一旦发生纠缠，光子可以将储存在原子量子态中的任何信息传递到计算机的其他位置。
A voltage pulse is then applied to control how long the two qubits remain entangled and in their superpositional state.
而使用电压脉冲来控制两个量位保持互扰和叠加状态的时间。
In exchange for its new risks, the state must protect taxpayers by tighter regulation of any institution too entangled to fail.
国家承担了救援新风险，作为交换也就必须保护纳税人，更严格地监管各种金融机构，使它们不致于因为业务过于错综复杂而不能破产。
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。
The result shows that the maximally entangled state can be prepared by controlling interaction time.
结果表明：通过控制原子和腔场相互作用时间，可制备两原子的最大纠缠态。
We get three-qubit entangled state in T-C model for two identically steady two-level atoms interacting with single mode field when the initial state is special.
在两个定态全同二能级原子与单模光场共振相互作用的T大模型中；合适的初始状态下可产生三比特完全纠缠态。
The second is controlled exchange of quantum entangled state of three two-level particles GHZ state and a W state.
三个二能级粒子GHZ态与一个W型态的量子纠缠态交换控制方案；
The results show that if the two atoms are prepared in maximun entangled(EPR)state initially, the maximum of three-body entanglement measure is equated with the perfect three-body W entangled state.
研究结果表明：当双原子初始处在EPR态时，三体纠缠量最大值与理想W纠缠态纠缠量相同。
We investigate the case in which the prior entanglement is not maximal and the initial state of the entangled pair of qubits being used for the dense coding is a mixed state.
本文提出了一个凭借混合纠缠态的超密编码方案，并分析了该方案成功传送信息的概率上界。
In the field of quantum teleportation, a scheme for teleporting a two-particle entangled state is proposed.
在量子隐形传态方面，我们给出了一种新的二粒子纠缠态隐形传输方案。
For the bipartite entangled state representation in quantum optics, the author present a new approach to analyze its expression in Fock space.
对于量子光学的双粒子纠缠态表象，我们给出一个新途径以分析其在福克空间中的表达式。
The thermal equilibrium state in solid state materials is one essential mixed entangled state.
而固体材料中的热平衡态就是一种重要的混合纠缠态。
We study the spontaneous emission and quantum entangled state of the system in which a two level atom interacts with electromagnetic field.
研究了二能级原子与电磁场相互作用体系的自发辐射与量子纠缠态。
Considering two two-level atoms initially in the non-maximally entangled state, one of them is put into an initially empty cavity and resonant interaction occurs.
考虑两个全同的处在非最大纠缠态的双能级原子，将其中一个与共振的真空腔场相互作用。
The scheme can also be used to teleport an unknown atomic entangled state.
方案也可以用于隐形传送未知原子纠缠态。
We study the spontaneous emission and quantum entangled state of the system in which a two-level atom interacts with electromagnetic field.
研究二能级原子与电磁场相互作用体系的自发辐射与量子纠缠态。
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%的成功率的方案。
The mean photon number evolution of entangled atoms interacting with coherent state light-filed is given.
研究了一对纠缠的二能级原子与单模相干态光场的相互作用，得出平均光子数随时间的演化规律。
The results indicate that the influence of the degree of entanglement of the two-mode entangled coherent state on the statistic properties of photon is small.
结果表明，双模纠缠相干光场的纠缠程度对光子统计性质的影响不大；
Some fundamental principles, such as the principle of quantum state superposition, quantum entangled state and quantum decoherence etc.
在实现信息处理的过程中，量子态叠加原理、量子纠缠和量子退相干等基本原理和基本概念应当充分考虑。
The duration of bound-entangled state (non-distillable) is controlled by the resonant control laser and the detuning of the atomic frequency inside the gap with respect to the band-edge.
束缚纠缠态（不能提纯的纠缠态）在系统中的持续时间由驱动场的拉比频率以及原子能级和光子晶体禁带带边的相对位置决定。
Historically, the concept of entangled states was first proposed by Schrodinger on the "cat state" of the paper in 1935.
历史上，纠缠态的概念最早出现在1935年薛定谔关于“猫态”的论文中。
A method of generating the single-photon entangled states of a single photon state and a vacuum state through utilizing optical beam-splitter and single-photon source is described.
使用光学分束器和单光子源，利用单光子态和真空态制备出了纠缠单光子态。
The result shows that:1. Detuning and phase decoherence have influence on maximal entangled fidelity for a arbitrary pure input state.
失谐量和退相干系数对输入态为任意纯态情况下的完全纠缠部分保真度具有一定的影响；
We show that the entanglement is affected by the BS when the input state of the BS is the entangled coherent state (ECS).
第四章研究了纠缠相干态作为分束器的输入态时，分束器对光场纠缠、反聚束、单模压缩、和压缩、差压缩等非经典特性的影响。
We show that the entanglement is affected by the BS when the input state of the BS is the entangled coherent state (ECS).
第四章研究了纠缠相干态作为分束器的输入态时，分束器对光场纠缠、反聚束、单模压缩、和压缩、差压缩等非经典特性的影响。
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