查询词典 semiclassical

This is another example showing that semiclassical method provides a bridge between quantum and classical mechanics.

这是半经典理论为联系量子力学与经典力学起桥梁作用的又一证明。

In some cases, however, the quantitatively accurate results necessitate the density matrix theory and the semiclassical model.

文中还叙述了最主要的十余种物理机制对各个激光脉冲参数的影响并将某些理论计算与实验结果进行了比较。

Using the semiclassical rescattering model, we have studied the effect of molecular internuclear distance on non-sequential double ionization.

利用半经典再散射模型，我们研究了激光强度在一定范围内时分子核间距对非时序双电离过程的影响。

The concepts to be introduced include, but are not limited to, the random phase approximation, the mean field theory (aka saddle-point, or semiclassical approximation), the tunneling dynamics in imaginary time, instantons, Berry phase, coherent state path integral, renormalization group..

这些方法主要涉及如无规相近似、平均场理论(aka 鞍点或半经典理论)、虚时间中的隧道动力学、瞬子、贝里相、相干态路径积分及重整化群等概念。

Over much of this period,the phenomena studiedcould only be described adequately by semiclassical treatments.

在大部分时间里，所研究的现象只需用半经典的理论即可给予适当的描述。

The formula of level shifts in AC Zeeman effect is derived on the base of a simple semiclassical method.

用一种简单的半经典方法推导出了交流塞曼效应中的能级移动公式。

In chapter 2, I present atom-field interaction semiclassical theory in which the atom is treated as a quantum system and the field is treated classically.

第二章主要介绍原子和场相互作用的半经典理论，即原子作为量子系统，而场是经典的。

Using the semiclassical method of a two-level electron interaction with field under the assumptions of free-electron and weak field.

得到了在自由电子和弱场假设下两能级电子与场相互作用的波函数表达式。

In some literatures, another equivalence between the WKB method and the path integral approach has been discussed, a set of rules of constructing semiclassical green functions with respect to the position and energy which is the fourier transformation of the semiclassical path integral propagator with respect to position and time was established.

一些文献讨论了WKB方法和路径积分方法的等价性，得到了求解作为坐标和时间域的传播子的傅立叶变换的坐标和能量空间的格林函数的一套规则。

Chapter Ⅱ reviews the general theory of Stark effect from our point of view. We describe three kinds of theoretical approaches about the treatment of ac Stark effect, which are time-dependent perturbation theory in semiclassical argument; Rabi methods in the semiclassical theory; dressedstate approach---quantum treatment of the light field. We also compare and discuss their scope of application.

第二章从我们自己的观点出发，总结了理论研究ac Stark效应的三种不同的方法：半经典的与时间有关的微扰方法；半经典的Rabi方法；对光场进行量子化处理的Dress态理论方法，比较并讨论了这三种方法各自的适用范围。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。