查询词典 entanglement

There are three reasons for people's extensive interest in spin squeezing. Firstly, the spin squeezing is an effective method to overcome the limit in precision improvement set by Heisenberg Uncertainty Principle. Secondly, because of the relationship between spin squeezing and entanglement, the research in spin squeezing is of importance for quantum information. Lastly but not the least, the entanglement is one of fundamental physics problems, so research in thespin squeezing has both practical and theoretical significance.

论文摘要：自旋压缩的研究受到广泛关注源于三方面的原因：海森堡不确定关系的普遍存在是量子测量器件精度提高的最根本障碍，如何抑制它对精度的影响有着巨大的应用前景；自旋压缩与量子纠缠的密切关系使得自旋压缩的研究对量子信息有着重要的意义；另外，量子纠缠是物理有待探索的基本问题之一，所以对自旋压缩的研究既有应用方面的意义，也有着基本理论方面的意义。

This sort of imagination can totally get rid of entanglement from fame and material gain , thoroughly rule out any situation of having to take consideration of their livelihood into accounts of such thinking , make it possible for them to weave fabric of their thinking surrounding the afflatus in a absolutely undisturbed doldrums.

但他们也有一点非常宝贵，是职业科学家缺乏的，那就是他们可以以其灵感为中心作出全方位辐射状的任意想象，这种想象可以完全摆脱名誉和功利的纠缠，完全不存在为生计而被迫选择研究课题的情况，完全可以在不受任何干扰的情况下围绕这个灵感静静地编织他们的构思。

Then,a new result of quantum mechanics is given:considering an arbitrary manipulation of one EPR particle,which can be modeled in fullgenerality as a unitary interaction of that particle with an outside system or ancilla,ini-tially in a pure state,we shall show that such interactions can be used to prepare all andonly those states of the joint system(two particles in arbitrary entanglement and theancilla)that yield unperturbed marginal statistics for all measurements on the anotherparticle,with which the ancilla did not interact.

首先，我们介绍了量子通讯的概念是如何被引入的；其次，我们给出了一个新的量子力学结果：制备一对EPR粒子，然后把它们分开，如果我们对其中的一个粒子进行操作，那么该操作将不会改变另外一个粒子的单独测量的期望值。

I study the application of entangled states in quantum information processing. Firstly,we investigate the Dzyaloshinskill-Moriya anisotropic antisymmetric interaction and intrinsic decoherence on entanglement transfer.

其三，研究了在Milburn内在退相干模型中两qutrit系统的纠缠演化，发现纠缠可以通过控制非线性耦合常数来达到最大值。

Furthermore, we focus on entanglement of continuous variable system and hybrid entangled state, and also their non-locality. Bell-like inequality for continuous variable system is introduced, and its maximum violation discussed.

另外，还对量子定域性与非定域性的根源进行了分析，介绍了EPR佯谬和Bell不等式以及更为常用的CHSH不等式，对这些不等式的破坏的最大值进行了研究，另外也讨论了几种无不等式的Bell定理。

The story is from the "victory day" start-sheng days, Katsushi brothers and their friend in adversity A water, in order to succeed, desperate Pirates of the wood, where the emerging forces in case of Tsai Chins men shot the elephant, the two sides fight in endless, Sheng days Jizhongshengzhi will be full of cypress wood into the stream, not only escaped the entanglement of an elephant, but also we have successfully drifted to the lower reaches of cypress wood.

故事是从'胜天'开始，胜天、胜志兄弟及其患难之交阿水，为出人头地，铤而走险盗木，遇上地方新兴势力蔡进炮的人马大象，双方缠斗不已，胜天急中生智，将桧木全推入溪中，不但逃过大象的纠缠，也顺利地将桧木漂流到下游。

What are the ramifications of quantum entanglement and coherency in computation?

量子缠绕和共谐通过结算的结果是什么？

The attacks in an unfinished skyscraper started flying eagle on the 2nd through the building disguised as a computer engineer security checks, building color guard OHara fan attempted petty-minded manner, in order to achieve our goals at violence and bullying, entanglement, secret service secretly sent to eliminate them all the killer is ready, waiting for an opportunity to start, Eagle One, on the 2nd trapped in the skyscraper began in cardiac shock force of self-help.

狙击行动在一栋未完工的摩天大楼展开，飞鹰二号伪装成电脑工程师通过大楼警卫检查，大楼警卫欧哈拉色迷心窍企图不轨，为达目的不惜暴力相向，纠缠不休，特务组织暗中派来消灭他们的杀手已准备就诸，伺机下手，飞鹰一号、二号被困在摩天大楼里展开了惊心动迫的自救行动。

The entanglement of the system is calculated by making use of concurrence. we discuss the variation of the concurrence with time.

在Milburn方程的支配下，通过concurrence计算了系统的纠缠，我们讨论了concurrence随时间的振荡情况。

This paper compares conditional entropy of entanglement and concurrence at the same condition,and the result shows that the curves of their evolvements are identical.

应用条件熵纠缠度研究了真空腔场中两全同二能级原子之间纯态和一类混合态纠缠的时间演化，比较了相同条件下两全同原子系统concurrence纠缠度的时间演化。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。