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共轭基
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     The transforms of six photon polarization states in three conjugative bases are given and the quantum key coding principle based on the polarization tracking is analyzed for the BB84 protocol and B92 protocol.
     针对BB84协议和B92协议,给出了三组共轭基六个光子偏振态的变换关系式,分析了基于偏振跟踪的量子密钥编码原理.
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  相似匹配句对
     The Satus Quo in the Development of Conjugated Polymer-Based Smart Window
     共轭高聚物智能玻璃窗的研究现状
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     Conjugate Ellipsograph
     共轭椭圆规
短句来源
     Fundamental Modes of Self-Pumped Phase-Conjugate Resonators
     自泵浦相位共轭光腔的
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     2. basal cell;
     细胞;
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     The Conjugate Substructure Method
     共轭子结构解法
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  conjugate basis
Orthogonal and conjugate basis methods for solving equality constrained minimization problems
      
Local convergence analysis for the REQP algorithm using conjugate basis matrices
      


Two hyperconjugated systems, propene and methylbenzene were studied with ab initio method. The result shows that when a methyl participates in the hyperconjugation, the TC-H is lengthened and the population of H is decreased. The rotation barriers of propene and methylbenzene are 7. 61 and 0. 096 kJ/mol, respectively. The hyperconjugated radical can be considered as a mixed atom with a lone electron pair. The stabilities of these configurations can be characterized by M=

用从头算对丙烯和甲苯2个超共轭体系进行计算,结果表明甲基上氢原子参与超共轭时,其碳氢键键长增大,氢上集居数减少,丙烯、甲苯的甲基旋转势垒为7.61及0.096 kJ/mol.超共轭基作用相当于一带有孤对电子参与共轭之杂原子,超共轭体系不同构型稳定性可用M=sum from i=1 to 3(sinθ_i[sin(θ_i-α)+sinα])来表征。

To improve the efficiency of quantum secret sharing, a protocol share the message directly among the users was proposed. The scheme made full use of entanglement swapping of Bell states and local operations. For detection of eavesdropping, the EPR pairs were divided into two parts: the checking parts and the encoding parts. After insuring the security of the quantum channel by measuring the checking particles in conjugate bases, the sender encoded her bits via the local unitary operations on the encoding parts....

To improve the efficiency of quantum secret sharing, a protocol share the message directly among the users was proposed. The scheme made full use of entanglement swapping of Bell states and local operations. For detection of eavesdropping, the EPR pairs were divided into two parts: the checking parts and the encoding parts. After insuring the security of the quantum channel by measuring the checking particles in conjugate bases, the sender encoded her bits via the local unitary operations on the encoding parts. Investigation shows that the protocol is secure and two Bell states can be used to share two bits message.

为提高量子秘密共享的效率,提出了一种直接共享经典消息的协议.协议充分利用了Bell态纠缠交换和局域操作的性质.为了检测是否存在窃听者,通信粒子被分为检测和消息2部分,对检测部分采用共轭基测量的方法确保传输安全后,再对消息部分作局域操作编码.分析表明该协议是安全的,效率可以达到2个Bell态共享2bit经典消息.

The polarization tracking principle is analyzed by using a half-wave plate in satellite quantum key distribution and the polarization “zero” direction can be corrected by rotation of the half-wave plate. The transforms of six photon polarization states in three conjugative bases are given and the quantum key coding principle based on the polarization tracking is analyzed for the BB84 protocol and B92 protocol.

分析了卫星量子密钥分配中采用半波片进行偏振跟踪的原理,通过旋转半波片实现对偏振“零”方向的跟踪.针对BB84协议和B92协议,给出了三组共轭基六个光子偏振态的变换关系式,分析了基于偏振跟踪的量子密钥编码原理.

 
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