查询词典 quantum state

Further, the spin chain in the thermal equilibrium is used as a quantum channel for quantum communication.

在此基础上，利用自旋链量子态作为量子信道进行量子通讯。

As another bold hypothesis, the quark is created by curling a train of longitudinal quantum waves, in which the quantum waves are connected end to end, forming a closed recurring wave ring, namely a complete chain running in a distorted manner that is similar to the human DNA spiral structure.

这里再次大胆假设，夸克是由一个段量子纵波卷曲而成，这列量子波首尾相连，形成一个闭合的循环波环，一个扭曲运转的完整链条，类似于人类DNA的螺旋结构。

For one-dimensional mesoscopic metal rings system in external magnetic field, supposing the system has a symmetry under translation in charge space, the quantum current relation in mesoscopic metal rings is given by solving the eigenvalue equation of the current, the property of quantum current have been investigated and analysed.

针对处于外磁场中的一维介观环系统，假设在电荷空间中具有变换的对称性，通过求解电流算符的本征值方程，给出系统中的量子电流关系，分析和研究一维介观金属环中量子电流的性质。结果表明，量子电流不仅与外磁场、介观金属环参数有关，而且还明显地依赖于电荷的量子化性质

In quantum case,we ex-tend the Sklyanin's approach and find that unitarity condition of quantum R-matrix issufficient to construct commutative quantities with boundary,and its reflection equationsare obtained.

在量子情形下，我们把Sklyanin的构造方法扩充到一般的情形，即量子R矩阵只拥有幺正性条件。我们给出了此时守恒量的构造办法，及其相应的边界反射方程。

Pages: 444 This landmark among mathematics texts applies group theory to quantum mechanics, first covering unitary geometry, quantum theory, groups and their representations, then applications themselves—rotation, Lorentz, permutation groups, symmetric permutation groups, and the algebra of symmetric transformations.

页： 在数学正文中的444这标志建筑物把群论用于量力学，首先包括单位的几何学，量子理论，组和他们的表现，应用themselvesotation，洛伦茨，换变组，匀称换变组和匀称的转变的代数的然后。

radiation field ; two-level atom ; quantum bit ; quantum logic gate:unitary transition matrix

近年来，作者研究了量子化的辐射场中的二能级原子的量子相干性

The unitary transformation of quantum computing process not only guarantees the reversibility of computing, at the same time it naturally produce the parallelism of computing. All these will greatly lower computing complexity, make the unrealizable computing on classical computer realizable on quantum computer.

量子计算过程的幺正性不但保证了计算的可逆性，同时也自然的产生了计算的并行性，这将极大的降低计算复杂度，使原先在经典计算机上难以实现的运算在量子计算机成为可能。

The computational power of the quantum neuron is explored. Numerical and graphical results show that this single quantum neuron can perform XOR function unrealizable with a classical neuron and has the same computational power as the two-layer NN, it can be used to realize nonlinear mapping.

应用量子计算方法分析了该量子神经元模型的量子逻辑运算功能，分析和实验证明单个量子神经元能实现经典神经元无法实现的XOR函数，并具有与两层前向神经网络相当的非线性映射能力。

In this thesis, we mainly discuss the quantum Zeno effect and quantum anti-Zeno effect related to different measurement problem.

在这篇论文里，我们注重讨论了通过不同的测量手段所获得的量子Zeno效应以及反量子Zeno效应。

With these theories, we can estimate the error of adiabatic approximation and calculate the evolution of the quantum states in cases when quantum adiabatic approxi-amtion is not appliable.

利用非绝热跃迁理论，人们还可以在许多情况下有能力解析的估计绝热近似产生的误差。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。