量子态

The polynomial representation of a quantum state is defined. Based on the CSS-type construction of quantum codes, a new method for encoding and decoding of CSS-type quantum convolutional codes is presented and corresponding networks are described.

定义了量子态的多项式表示形式，根据CSS型量子码的构造方法，给出了CSS型量子卷积码的一种新的编译码方法，描述了编译码网络。

The polynomial representation of a quantum state is defined. Based on the Calderbank-Shor-Steane- type construction of quantum codes, a new method for encoding and decoding of CSS-type quantum convolution codes is presented. Its corresponding networks are also described.

定义了量子态的多项式表示形式，根据Calderbank-Shor-Steane型量子码的构造方法，给出了CSS型量子卷积码的一种新的编译码方法，描述了编译码网络。

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。

The bound presented in this work is independent of those of former works, and sometimes it can provide tighter bound of the total success probability, as expected. In the last part, we concentrate on the discrimination of quantum operations.

在量子信息中，非正交量子态不可区分已成为共识，然而，这一结论对量子操作却并不成立，有结论表明，幺正操作是可以确切识别的。

At the same translational energy, the cross-section increases with the rising of the rotational quantum number j, and declines with the rising of the quantum number m. In the last, we find that the reaction rate constant and the cross-section have the similar rule for the quantum numbers j and m.

最后比较各个量子态的速率常数，我们也看出随量子数j的增加，速率常数升高，随量子数m的增加速率常数降低，这些曲线在我们的图中都呈现相似的下降趋势，这和散射截面的规律是吻合的。

Two closest single-qubit states could be diagonalized by the same unitary matrix, which helps find the relative entropy of entanglement of a two-qubit \lq\lq X\rq\rq ~ state.

两个相隔最近的单比特量子态可以被同一个酉矩阵对角化，这一结论在文章中被严格证明。这一结论对求"X"型两比特量子态的相对熵纠缠很有帮助。

The calculated results show that vibrational state of HCl influences its reaction probabilities greatly, the feature of PESs plays considerable role for how rotational state affecting its reaction probabilities , and the reaction probabilities appear 'Gold Rule'.

其计算结果表明，振动量子态对反应几率影响很大；势能面的地形对转动量子态如何影响反应几率起重要作用；反应几率表现出&黄金规则&。

In the first part, it describe the two-level system with the quantum mechanics which include the dress state picture, the adiabatic description of the interaction and the mathematic method; In the second part, it tell us that using the shaping-pulse how to manipulate the quantum coherent control, chip field and tanh field are invested.

第一部分二能级系统的量子描述在这一部分中详细推导了缀饰态表象中量子态的描述，重点介绍了绝热条件下的布洛赫矢量的表达式，以及求解布洛赫矢量的方法。

For weak intensity, the higher order harmonic forces can be neglected. If the velocity of atoms is near to zero, the light forces will tend to confine the atoms near to nodes and antinodes.

量子纠缠作为多粒子叠加的基本物理问题，在新兴的量子信息领域有着重要的应用前景，其显著的应用就是未知量子态的隐形传送。

We indicate that there are violations of the Cauchy-Schwarz in-equality in the interaction of the atomic Bose-Einstein conder sate with lasers,which meansthe existence of nonclassical correlations between atoms and photons.

对外部量子电磁场的各种量子态，计算了超流的二阶关联函数，分析了超流的压缩特性。表明外部量子电磁场中的热噪声不影响超流的压缩特性，但影响超流的二阶关联函数。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。