查询词典 quantum physics

The CdSe quantum dots were fabricated by chemical method, and the quantum dots with different radii were obtained by the choice of the reaction time.

CdSe量子点由化学方法制备，通过选择不同的反应时间得到不同尺度的量子点样品。

The quantum information is a new cross field which combined the quantum mechanics with the information theory.

量子信息学是量子力学与信息论相结合的一个产物，而量子纠缠是量子信息学中一个非常重要的资源，是量子计算以及量子通讯的基础。

In this paper, we analyze the scheme of transmitting information between two non direct-coupled spins. We also demonstrate the scheme on NMR simulation quantum computer and Bruker ARX-500 NMR quantum computer.

根据量子超密编码和自旋交换操作的原理，分析了无直接耦合自旋之间的量子信息传递的方法和过程，并且在核磁共振模拟机和谱仪上实现。

Chapter 3 is devoted to the derivation of the master equation for the system. We find that the depasing time T2Q PCis about 100 ns when the spin decoherence is only induced by the QPC, and the repeated QPC measurement will slow down the transition rate between spin states which can be interpreted in terms of quantum Zeno effect.Meanwhile, we also study the effect of QPC measurement on two-electron spin state in double quantum dot system.

推导了系统的有效哈密顿量以及主方程、计算了测量过程中电子自旋态的演化行为；随后通过计算分析，我们发现QPC测量引起的退相干时间T2Q PC约为100ns以及高频重复的QPC测量会减缓电子自旋态之间的演化、局域系统在其初态，表现出量子Zeno效应。

It is related to two specific generalized quantum probability amplitudes in the quantum measurement for the specific state.

它是指具体量子测量中两个推广几率幅之间的相干性。

The rule to classify various quantum coherences is how to define a generalized quantum probability amplitude; For seek of universality, the classification does not consider the initial state.

相干性类别是根据在具体的测量中如何标志推广几率幅来区分的；但同时考虑了普适性的要求，没有考虑初态的限制。

In this paper, the quantum energy levels and the level splitting of the firstand the second excited states generated by the stretching vibration of CH and CD bondsin normal benzene C6H6 and deuterated benzene C6D6 haye been studied in detail by new non-linear quantum mechanical theory in weakdisperse limit.

用最近发展起来的非线性量子力学的定态本征方程的理论去计算蒸气和液体的苯（C6H6）和重苯（C6D6）的CH和CD键的振动所产生的量子能态。

Week 12 Spin of electron, forth quantum number, description of hydrogen atom with quantum mechanics, Pauli exclusion principle, shell distribution of electrons out of atomic nucleus.

第12周电子的自旋-第四个量子数；氢原子的量子力学描述；泡利不相容原理；元素原子核外电子的壳层分布。

Properties of frontier orbital of xanthogen formates and ethoxycarbonyl thionocarbamates, including HOMO energy, shape of HOMO and atomic HOMO density, were calculated with quantum chemistry programs GW03 and FUJISTU CAChe. According to the results, the relationship between selectivity of such two kinds of collectors and their quantum chemical indices was investigated to discuss the feasibility of applying them in screening chalcopyrite collectors.

摘 要：利用量子化学软件GW03和FUJISTU CAChe计算黄原酸甲酸酯类、乙氧羰基硫氨酯类黄铜矿捕收剂的前线轨道的性质—HOMO能量、HOMO形状以及药剂组成原子的HOMO密度，并结合这两类药剂的浮选结果研究这些量化参数与药剂选择性之间的联系，探讨这些参数作为选择黄铜矿捕收剂判据的可行性。

In this thesis, the localization length, quantum size effect, quantum interference phenomenon in nanotubes have been theoretically studied.

本论文从理论上研究了碳管中的局域化长度、量子尺寸效应、量子干涉现象，并讨论了磁场对碳管电子结构的影响，超导/碳管/超导结中的邻近效应。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。