查询词典 density matrix

B Consider the density matrix of a harmonic oscillator at finite temperature .

考虑有限温度下的简振子的密度矩阵。

In this part, we focus on the third method: utilizing density matrix to obtain the formula of the third-order susceptibility.

其中，我们着重讨论了利用密度矩阵方法推得的三阶非线性极化率的计算公式。

The internal conversion processes of chlorophyll a in solvents are studied based on the reduced density matrix theory.

采用约化密度矩阵理论研究了溶液中叶绿素a分子的内转换过程。

We describe density matrix as a vector in this space,that is,to drawout the vector expression in this space.

我们把密度矩阵描述为该空间中的向量，即给出密度矩阵的向量表示，然后将一系列的纠缠判据纳入到一个清晰的几何框架中。

In the hind part of this paper, a brief introduction of density matrix method is presented and its equivalence to Schroinger equation in multilevel system is described.

在本文的末尾部分，给出了密度矩阵算法的简要介绍，并说明了密度矩阵算法在分析多能级系统布居转移时与薛定谔方程的等效性。

A better approach is based on the reduced density matrix, which eliminate the infinite number of the freedoms of the dissipative environment.

二是在一些特殊的表象中求解系统的约化密度矩阵方程。

In this chapter,we mainly give some basic theory of absorption, dispersion,dipole approximation and the equation of density matrix elements.

主要介绍激光光谱学的吸收和色散等基本概念以及常用的理论如偶极近似、密度矩阵方程等。

This method requires only the dimensions of systems and the expansion coefficient of density matrix which can be easily got, and the computation is easy, so it has its application value.

此判据仅依赖于系统的维数和密度矩阵的展开系数，而这些数据是易于求得的，使得量子纠缠态的判断简单易行且易于操作，在实际运用中具有理论价值。

A whole reference spectral density matrix is established in multiple shaker random vibration test.

多振动台随机振动实验中必须设置完整的参考谱矩阵。

The relationship among temperature,density,matrix suction and water content was exponential.

由于非饱和黄土基质吸力的大小，取决于许多外界因素。

He is the most remarkable man that I have ever known.

他是我知道的人中最值得注意的人。

Increased appearance of lymphocele was noticed in patients with diabetic nephropathy, congenital malformations of the urinary tract, and inflammatory diseases, including glomerulopathy and extraglomerular ones, after high-voltage radiotherapy and after removal of the renal graft.

经过高压放射疗法和切除移植肾后，在糖尿病肾病患者、泌尿系统先天性畸形患者和炎症患者身上发现淋巴囊肿有所增加，包括肾小球病和球外疾病等。