查询词典 the quantum theory

In the past 3 years, we have made the following progress:（1）we devised some theoretical schemes performing quantum information processes in encoded subspaces under the condition of general interaction models;（2）considering some practical physical systems,we provided some more efficient schemes performing quantum information processes under actual physical conditions;（3）we studied the stability of the entanglement in 2-qubit system under several decoherent environments;（4）we studied the optimal successful probability of some kinds of nondistortion quantum interrogations in quantum subspaces;（5）we also investigated some fundamental questions in quantum information fields such as quantum channel,quantum teleportation etc.

近三年来，我们在以下方面取得进展：（1）研究了在一般的相互作用下，直接在子空间中实施各种量子信息过程的理论方案；（2）针对于当前的某些实际的物理系统，研究了在现有的实验条件之下，如何高效地实施各种量子信息过程的方法；（3）研究了2-qubit量子系统的纠缠在各种消相干环境下的稳定性问题；（4）研究了量子子空间实施无损伤的量子质询的最佳效率；（5）我们也研究了量子信道、量子隐形传态等量子信息的基础问题。

The specifically used learning-theories are Thorndike"s, error-tried learning-theory Pavlov"s conditioning learning-theory, Watson"s learning-theory, Guthrie"s neighboring learning-theory, Estes"s sampling learning-theory, Skinner"s manipulating learning-theory, Wertheimer"s learning-theory, Wulf"s learning-theory, Lewin"s surroundings cognizing learning-theory, Piaget"s constructing learning-theory, Bruner"s cognizing structure learning-theory, Ausubel"s assimilating cognize learning-theory, processing information learning-theory, Tolman"s signal learning-theory, Grgne"s accumulating learning-theory, Bandura"s society learning-theory, Rogers"s learning-theory.

具体所应用的学习理论包括：桑代克试误学习理论；巴甫洛夫条件作用学习理论；华生学习理论；格思里邻近学习理论；埃斯蒂斯抽样学习理论；斯金纳操作学习理论；韦特墨学习理论；沃尔夫学习理论；勒温认知一场学习理论；皮亚杰建构学习理论；布鲁纳认知结构学习理论；奥苏贝尔认知同化学习理论；信息加工学习理论；托尔曼信号学习理论；加涅积累学习理论；班杜拉社会学习理论和罗杰斯学习理论。

It has been showed that the quantum PCII can be still valid for the general case Jacobi J 1, which is different from quantum Noether theorem. The equivalence between quantum canonical equation and PCII is deflved at the quantum level. The comparisons of these results in quantum level with those in classical theories are discussed in detail. The relationship of canonical transformation with quantum PCII is obtained.

结果表明，当变换的Jacobi行列式不为1时，量子PC积分不变量仍然存在，从而把PC积分不变量推广到了最一般情形；在量子水平上，证明了量子正则方程与该积分不变量之间的等价性；比较了经典与量子PC积分不变量以及PC积分不变量与Noether定理；给出正则变换与量子PC积分不变量间的关系。

The epitaxial wafer is equipped with two detached quantum traps, by preparing three electrodes on the p-type layer I, the n-type layer and the p-type layer II, the two quantum traps can respectively emit light with different wavelength under applied voltage, after the epitaxial wafer is prepared to LED chip, mixing light with different wavelength emitted by the quantum trap I and the quantum trap II are obtained, or a single-color light emitted by the quantum trap I or the quantum trap II is obtained, thereby greatly extending application area of the LED.

本发明外延片设有两个分隔的量子阱，通过在p型层I、n型层、和p型层II制作三个电极，可使两量子阱在外加电压下分别发射不同波长的光，该外延片制作成LED芯片后，可获得由量子阱I和量子阱II发出的不同波长的混合光，或者分别发出由量子阱I或量子阱II产生的一种颜色的单色光，大大拓展LED的应用范围。

We present a quantum error correction scheme based on quantum cloning. This scheme shows the relationship between quantum cloning and quantum error correction. 4 To avoid decoherence in quantum algorithms, we construct a decoherence-free subspace by using multiple quantum coherences.

该方案一方面说明了量子克隆与量子纠错存在一定程度上的联系，另一方面也反映出一些量子克隆过程本身具有一定的抗消相干的能力。4）提出用二维NMR中的多量子相干实现无消相干子空间，并在实验上验证了该DFS的避错能力。

Including quantum information and quantum computing,quantum control,multi-body system in quantum mechanics and quantum Hall effect.

其中包括量子信息和量子计算，量子控制，以及与多体系统量子力学和量子霍尔效应。

For example, advanced topics in quantum communication such as quantum teleportation, superdense coding, quantum state transmission (quantum error-correction), and quantum encryption especially benefit from this unified approach.

例如， 高级题目在量通讯象量子心灵运输，编码的superdense那样，量说明输送，并且量加密特别受益于这种统一的方法。

On the basis of the concept of perfect quantum gas, a physical model of extreme relativity is established for perfect quantum gas, and also according to the conclusions of the state density of the extreme theory of relativity, the densities of quantum statistics′ particle numbers and energy, the extreme relativity′s result of the enthalpy、internal energy and heat capacity of the perfect quantum gas is obtained under the high temperature by strict theory inference.

在理想量子气体概念的基础上，首先建立极端相对论理想量子气体的物理模型；再根据极端相对论的态密度和量子统计的粒子数、能量的密度结论，通过严格的理论推导，得出理想量子气体在高温条件下的极端相对论性的焓、内能和热容量的结果，并将其热容量与高温条件下的理想量子气体、经典理想气体的热容量对比，指出极端相对论与非相对论两种模型、理想量子气体与经典理想气体两种模型的热容量之间的差异，同时分析这些差异的物理原因在于各自气体模型的态密度以及对应体系的波函数的对称性；最后阐明高温条件下极端相对论理想量子气体的热容量在量子统计方面的先进性及应用前景。

Quantum information is a new interdisciplinary subject that is a combination of quantum mechanics and classic information science. Quantum information, which is based on the basic theory of state superposition principle of quantum mechanics, mainly researches information management.

量子信息学是经典信息论与量子力学相结合的新兴交叉学科，是以量子力学的态叠加原理为基础，研究信息处理的一门新兴前沿科学。

Based on quantum theory,the new field of quantum electronics and quantum optoelectronics has evolved,devoted to studies of the principle,structure and applications of semiconductor quantum devices.

以量子理论为基础，以半导体量子器件为研究对象，形成了一门新的学科——半导体量子电子学和量子光电子学。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。