Quantum decoherence

The Study on the Phenomenon of Quantum Decoherence

量子退相干现象的研究

Reflection on Interpretation of Quantum Decoherence

量子退相干解释的再思考

Dynamical Environment Model for Quantum Decoherence and Its Entropy Increment Effect

量子相干性解除及其熵增效应的环境动力学模型

A study on quantum decoherence using NMR quantum computer

用核磁共振量子计算机研究量子退相干问题

Quantum decoherence is introduced in the quantum measurement theory to give an explanation for the fundamental quantum-classical transition problem .

量子消相干是用来解释量子理论中最基本的量子&经典跃迁问题，同时也是实现量子信息处理的主要困难。

Quantum decoherence and gravity

量子退相干与引力

When the density matrix of the whole ensemble consisted of system-meter is reduced to the microscopic physical system , the system trend quantum decoherence in nature .

把由系统与仪器组成的系综的密度矩阵约化到被测系统部分，于是自然趋近量子退相干。

In this paper we investigate the quantum decoherence and the dynamics of nonlocality of two-mode single-photon subtracted squeezed vacuum state ( TSSV ) .

本文研究了双模减单光子压缩真空态的量子退相干和非局域性动力学。

But quantum decoherence in quantum measurement process plays a very important role in reality of measurement , hard to avoid can step into measuring instrument , this has the system and measuring instrument interaction , leading to entwine production .

而量子退相干在量子测量过程中占有非常重要的意义，在现实的测量步骤中，难免会引入测量仪器，这就导致了系统与测量仪器相互作用，从而导致纠缠的产生。

In the first chapter , the basic concept and the main theoretical progresses on the study of quantum decoherence are introduced briefly , where , the period concerning studying the decoherence timescale by expanding the linear entropy which is related to our own work is emphasized in detail .

第一章简要介绍了量子退相干的概念以及量子退相干问题在理论研究上的主要进展，并重点介绍了从线性熵求系统的退相干时间这一部分。

Quantum entanglement and decoherence are fundamental concepts in quantum information theory .

量子纠缠和消相干是量子信息中最重要的两个基本概念。

Study on the Theory of Quantum Control of Quantum Decoherence

量子退相干中的量子控制问题研究

The change of quantum coherence due to decoherence will lead to variation of quantum entanglement .

量子退相干破坏量子态的相干性，进而导致量子纠缠出现变化。

Classical - Quantum Correlation and Quantum Decoherence

经典&量子关联与量子退相干问题

Therefore , in the thesis we mainly study the dynamics of quantum cor-relation under different decoherence environments .

因此本文重点研究不同退相干环境下的量子关联动力学。

In quantum information theory , quantum decoherence means the process in which quantum states depart from the ideal states .

在量子信息理论中，量子消相干泛指一切使得系统的末态偏离理想态的过程。

Decoherence is a universal essential problem in modern quantum information and quantum computation . Quantum decoherence is very important in quantum mechanics .

退相干是现代量子信息与量子计算中普遍存在的本质问题，研究它是当今物理界的一个重点和难点，它在量子力学中占有极为重要的地位。

In this paper , the concepts of quantum computation ( e. g. quantum bit , quantum logic gate , decoherence et al ) are gived in detail .

比较详细地给出有关量子计算的概念，如量子位、量子逻辑门、解相干等。

In particular , this way has two intriguing features : first , our construction makes use of quantum entangle-ment ; its underlying idea is similar to a common quantum phenomenon known as decoherence .

特别地，该方法有两个引人注目的特性：首先，我们的构造利用了量子纠缠；它的底层思想与一种称作退相干的普遍量子现象非常相似。