量子传输

受控量子传输和安全直接通讯

Controlled quantum teleportation and secure direct communication with two supervisors

此外，还分析了通过该信道进行量子传输的平均保真度。

In addition , the average fidelity of quantum teleportation is further analyzed .

啁啾光脉冲在正色散介质中的量子传输

Quantum Propagation of Optical Pulse with Initial Chirp in the Normal dispersion Media

相位退相干对量子传输保真度的影响

Influence of Phase Decoherence on Quantum Teleportation Fidelity

提出具有两个控制者的量子传输和安全直接通讯方案。

The scheme for controlled quantum teleportation and secure direct communication with two supervisors are presented .

四端纳米分子桥的量子传输特征

Quantum transport of four-terminal nano-molecular bridge

结果表明发送者和接收者之间的量子传输和安全直接通讯需要两个控制者的同意才能够完成。

The results show that quantum communication and secure direct communication between the sender and the receiver need the agreements of the two supervisors to realize .

讨论了相位退相干和失谐对量子传输的保真度的影响，并且获得了通过该信道进行量子传输的最大保真度；

The influence of phase decoherence rate and detuning parameter on the fidelity of quantum teleportation are discussed and we obtain the maximal fidelity over this entangled channel .

应变量子阱传输矩阵法设计及MOCVD外延制备

Quantum Well Design Using Transmission Matrix Method and Grown by MOCVD

这个量子密钥传输协议在通信节点和控制中心之间通过多个GHZ对构建安全的密码分配系统。

The quantum communication network marries a variety of GHZ states to well establish the secure key distribution system employed in conjunction with the nodes and control centers .

本文主要针对基于Cooper对盒子与超导传输线腔耦合系统的量子信息传输进行了理论研究。

In this paper , we focus on the Cooper Pairs Box-Transmission Line Resonator coupling system of quantum information transfer , and some researches on the theoretical models are presented .

多个侧向链对横向量子线传输性质的调制

Modulation of electron transport though the quantum wire by many side-coupled quantum chains

勿需测量坍缩假设的四粒子任意自旋态的量子隐形传输

Quantum Teleportation of Four-particle State of General Formation Without the Postulation of Collapse

不同热源下一维晶格的量子热传输特性

Research on the Quantum Thermal Transport Properties of One-dimensional Lattice Chain in Different Heat Baths

因此，不可能对通过量子通讯传输的信息进行窃听、拦截和破解。

It is therefore impossible to wiretap , intercept or crack the information transmitted through it .

在量子态传输一节里介绍了如何利用具有镜像对称性的自旋网络来实现精确态传输。

We describe that perfect state transfer can be carried out in spin networks which has the mirror inversion symmetry .

我们的发现可以使其他科学家对于量子信息传输有一个更清楚的认识，而且可能还会有实际应用前景。

Our findings will also likely have potential applications by giving scientists a better picture on the transmission of quantum information .

我们发现超精细相互作用对量子态传输的破坏是主要的。

We find that the hyperfine interaction is the main decoherence source in quantum state transfer in quantum dot system . 4 .

相位编码的量子密钥传输几乎不受光纤中双折射效应的影响，在光纤量子密码分配中有很高的实用价值。

Phase-coded key transfer has high practical value in the distribution of fiber-optic quantum cryptography because of its nearly independence of birefringence effect in fiber .

第二部分对量子隐形传输进行了简单的回顾，对其最新进展进行了归纳。

Part two is a simple review of the history in research about the quantum teleportation , at the same time , summarize its latest progress .

将来的远程通信中，量子远程传输可能成为重要的手段之一.整个理论是基于量子纠缠态机制的。

The teleportation may become an important means for remote distance communications in the future , and the mechanism is based on entanglement of quantum states .

第一章简要介绍了量子信息传输，第二章介绍了量子纠缠的研究现状以及耦合腔信息传输进展。

In Chapter 1 , we give a general discussion of quantum information teleportation . In Chapter 2 , the current situation of quantum entanglement is briefly described .

通过引入量子信道传输率、单光子捕获概率、测量因子和数据筛选因子，建立了量子误码率理论模型，给出了量子误码率的表达式。

By introducing the quantum channel transmission , the single-photon acquisition probability , the measuring factor and the sifting factor , the theoretical model of the quantum bit error rate was established and the expressions of the quantum bit error rate were given .

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。

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 .

基于GHZ的多用户量子网络密钥传输协议

Quantum Secret Sharing on GHZ in Multi-user Quantum Communication Network

利用电子通过量子系统的传输理论，通过求解量子主方程（QuantumMasterequation），研究了量子点中单电子共振隧穿的性能特征。

Based on the theory of electron transport through a quantum system , by solving quantum master equation , the performance characteristics of a single electron tunnelling through the quantum dot are studied .

未知单量子态的传输

Teleportation of an Unknown Single-particle State

本文创造性的提出了利用量子密码协议传输数字水印算法中的密钥。

This paper creatively proposes making use of the quantum protocol transfer the key of watermark algorithmic .

量子密码的传输离不开经典通道的通讯，它需要经典通道的通讯来筛选信息，确保安全。

There are several classical processes in quantum key distribution to sift information and insure the security of keys .

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。

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