quantum channel

Through the idea that the classical channel is viewed as a quantum channel, using the symbols of quantum mechanics, we give a proof of Shannon noisy classic channel coding theorem.

运用把经典信道看成是量子信道的思想，采用量子力学的符号，我们对经典的香农噪声信道编码定理给出了一个量子化的证明。

The potential energy curves of ground-state Hi and He23+ have been calculated using an arrangement channel quantum mechanics ( ACQM) method, in which the channel wave functions were taken as the variational wave functions.

在排列通道量子力学（ACQM）方法中，以变分波函数作为通道波函数，计算了基态分子的势能曲线，获得满意的结果。

The quantum password message is the only absolutely scure communication mode generally recognized in that any operations which obtain quantum information will be discovered by both parties because of breaking quantum which, eradicates completely channel eavesdropping.

量子密码通信是目前公认的唯一的绝对安全的通信方式，任何获取量子信息的操作都会因破坏量子态而被通信双方发现，从而根本上杜绝了信道窃听的存在。

It is shown that the transmitted classical information amount through such an entangled quantum channel is usually less than two classical bits.

结果显示通过这样一个纠缠的量子通道所传输的经典信息通常小于两个经典比特。

Because the free space quantum key distribution plays a significant role in building the global quantum secure communication network by satellites in future, it is necessary to study the effects of the atmospheric channel on photons carrying the key information while propagating in free space.

由于自由空间量子密钥传输对将来利用卫星构建全球量子保密通信网具有重要意义，所以研究携带密钥信息的光子在自由空间中传输时如何受到大气信道的影响是十分必要的。

The quantum defect of Rydberg series 1 s 2 np is determined according to the single-channel quantum defect theory.

依据单通道量子亏损理论,确定了Rydberg系列1s2np的量子数亏损.

Starting with the Lippmann-Schwinger integral equation, the fundamental equation of arrangement channel quantum mechanics ( ACQM) has been re-derived using the Green's operator method.

从Lippmann-Schwinger积分方程开始，然而用格林算符方法，重新推导了排列通道的量子力学（ACQM）的基本方程。

Evaluation of quantum capacity of a single-mode Fermi thermal noise channel

单模费米热噪声信道量子容量的估计

This paper introduces a multi-channel and high-speed time recorder system, which was originally designed to work in the experiments of quantum cryptography research.

介绍一个高速多通道时间记录仪，应用于量子密码学的研究试验中。

Base on the quantum theory, QKD can make enables two participants to share secure keys over an insecure public channel in real time.

量子密钥分配以量子理论为基础，可以在不安全的公共信道上安全地实时分配密钥。

The quantum noiseless coding method is discussed with the quantum entropy theory, and the capacity of quantum channel.

运用量子熵理论，引入量子无噪声编码方法，并研究了量子信道中的信息容量问题。

We propose a scheme for probabilistically teleporting an unknown three-particle entangled state of three-level by using a four-particle entangled state of three-level as quantum channel.

提出一种分别利用四个三态粒子的最大纠缠态和非最大纠缠态作为量子通道来传输一未知的三个三态粒子纠缠态的方案。