density operator
英 [ˈdensəti ˈɒpəreɪtə(r)]
美 [ˈdensəti ˈɑːpəreɪtər]
密度算符
双语例句
- A Method of Group Evaluation Information Aggregation Based on Two-dimensional Density Operator
基于二维密度加权算子的群体评价信息集结方法 - Maxwell velocity distribution law derived with density operator
用密度算子推证麦克斯韦速度分布律 - Using density operator to study the electron polarization
用密度算符对电子极化的研究 - Density Operator and Nonclassical Properties of the Field with Gaussian Character Function
高斯型特征函数光场的密度算符及其非经典性质 - The exact analytic expressions for the photon statistics distribution, the squeezing degree S and the second order degree of coherence g ( 2) of light field are obtained by using the master equation for the density operator of light field and applying the generation-function method.
采用生成函数方法，由光场密度算符主方程，求得光场压缩度s，二阶相干度g~（x）和光子统计分布的严格解析表达式，同时讨论它们随标度时间τ的演化。 - Starting from general reservoir theory for the atomic-field density operator, the expression for the photon distribution in single-mode laser light is determined by taking account of the influence of both linear and nonlinear gains.
从原子-场密度算符的普遍库理论出发，考虑到线性及非线性增益的共同影响，确定了单模激光光子分布的表达式.结果表明，在一定的条件下，存在着光子反聚束。 - Density operator formalism for spin systems with permutation symmetry in multiple pulse and 2D NMR experiments(ⅱ)& multiple quantum product operator formalism
自旋置换对称体系多脉冲及二维核磁共振实验的密度算符描述（Ⅱ）&多量子积算符方法 - In order to unify and describe the mixing assemblage and the pure assemblage, a density operator or density matrix is introduced.
为了能够统一地描写混合系综和纯粹系综，人们引入一个称为密度算符或密度矩阵的量，使纯态和混合态在形式上有一个相近的描述。 - The master equations of a reduced system density operator, by means of the Liouville equation and the projection operators techniques have been derived.
在本文中我们利用投影算符技巧通过刘维方程推导了系统约化密度主方程，这种方法特别适合于赝非马尔可夫的库场情况。 - This paper, as a continuation of the paper the Generalized Transport Equations, mainly discusses how to choose the relevant density operator and the physical meaning of the transport equation obtained.
本文是作者广义输运方程一文的续篇，主要讨论如何选择中肯密度算符和所得输运方程的物理意义。 - The expression of the statistical average values is derived in terms of the density operator formalism in statistical mechanics.
在计算过程中我们用密度算子导出了物理量的统计平均值。 - The P-representation for the density operator of the light field is established on a generalized phase-space constructed by an overcomplete set of SU ( 1, 1) coherent states.
在以SU（1，1）相于态为一组超完备集的一个广义相空间里建立光场密度算符的P表示； - A New density operator formalism for describing high-spin nuclei systems-angular momentum product operator and Z operator was proposed.
本文提出了Z算符与角动量积算符相结合的广义积算符，用于描述高自旋弱耦合系统NMR实验谱。 - Starting from local equations of motion, we derived a nonequilibrium statistical density operator ( NESDO) by making two assumptions and defining the entropy density operator of a system.
本文从局域运动方程出发，通过作两点假设并定义体系的熵流密度算符。导出了描写非平衡体系性质的统计密度算符。 - The expansion of an arbitrary quantum mechanical operator in trems of the multicomponent coherent states of hydrogen atom and the general properties of the density operator are given. The important formulas in quantum optics are obtained.
给出了任意量子力学算符按氢原子多分量相干态的展开和密度算符的一般性质，得到了量子光学中的重要公式。 - This article begins with the normal quality and discusses the density operator of electron polarization.
本文从密度算符的一般性质出发进而引出电子极化的密度算符，即讨论描写粒子自旋状态的极化密度算符的表示矩阵。 - In this paper the relationships between commutative hyper operator method, quantum mechanics method, density operator method and lie algebra to analyse NMR spectrum are discussed
本文讨论NMR波谱解析的交换超算符方法，量子力学方法、密度算符方法与李代数的关 - Methods The distance between two different multimode odd coherent state light fields was analyzed theoretically by the method of distance functions of density operator.
方法采用两个不同态的密度算符距离函数方法，从理论上研究两个不同多模奇相干态光场之间的距离。 - Master Equation for Reduced Density Operator of the System for Non degenerate Two photon Processes in Squeezed Vaccum
压缩真空场中非简并双光子过程中系统约化密度主方程 - The Reduced Atomic Density Operator in the Raman-coupled Model
Raman耦合模型中原子的约化密度算符 - The distance of the density operator is used to study how the state of signal field in the preparation of Fock state based the cross-phase modulation interaction evolve and collapse into Fock state.
应用密度算符的距离来分析在基于交叉相互作用的Fock态制备中信号光场的态是如何演化并坍缩到Fock态上的。 - Calculating Density Operator from Diagonal Coherent State Representation in Quantum Optics
对角相干态表示求量子光学密度算符 - Besides, with the Hamiltonian of the interaction between the field and the atom with Kerr medium, the evolution operator and the reduced density operator of the field are derived, then the other basic work model is obtained.
其次，从光场与原子附加克尔介质相互作用哈密顿量出发，得出非线性J-C模型系统的一般时间演化算符和光场的约化密度算符，得出了本文的基本工作模型之二。 - Nonequilibrium statistical density operator(ⅱ)& an application of formal theory
非平衡统计密度算符（Ⅱ）&形式理论的应用 - The maximum advantage of this method lies in that it can conveniently derive the analytic expression of the density operator from an arbitrary initial state.
这种方法的最大的优越性在于它能从任意初态方便地求出密度算符的解析表达式，这就为研究量子态的退相干、非定域性动力学及纠缠分析提供了行之有效的理论工具。 - In quantum optics the density operator is used to define a higher order correlation functions and to discuss the quantum theory of optical coherence.
在量子光学中引入密度算符定义了高次关联函数继而讨论了量子光学相干现象。 - The model has been generalized to the condition with dissipation, which is an effective work of mine, and the evolution equation of the density operator is present.
此外，我的一个有效工作是还把该模型推广到有环境耗散情形，引入系统密度矩阵的演化动力学方程。 - Using it we can conveniently and simply convert a ME into its corresponding differential equation and from solution of which we can extract the reduced density operator.
该方法能方便、简洁地将密度主方程转化为对应的普通微分方程，并能从微分方程的解中提取出约化密度算符。 - In this paper, by using J-C model and the density operator theory in interaction picture, we studied the evolution features of linear entropy in the system of two two-level Rydberg atom and two entangled dissipative cavities with single-photon resonant interaction.
本文应用J-C模型与相互作绘景中的密度算符理论，研究了两个二能级Rydberg原子与两个纠缠耗散腔场单光子共振相互作用过程中线性熵的演化特性。 - To obtain the transport characteristics in different regimes as we set, we use the generalized master equation method for the reduced density operator of the double quantum dot.
我们将为系统设置多种电子关联作用的环境，为了得到这些设定下的系统输运特征，我们将使用双量子点系统约化密度矩阵算符通过一般化的主方程方法以得到结果。