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- The atom's reduced density matrix is calculated when the quantum theory in small system coupled to thermal reservoir is used.The decoherence properties of atom is analyzed. 利用小系统与库耦合行为的量子理论，计算原子约化密度矩阵非对角元，分析原子状态的消相干特性。
- first order reduced density matrix 一阶约化密度矩阵
- second order reduced density matrix 二阶约化密度矩阵
- Non-perturbation Master Equation for the Reduced Density Matrix of the J-C Model J-C模型非微扰约化密度矩阵主方程
- Keywords Multi-body wavefunction;Symplectic symmetry;Reduced density matrix;N-representability problem; 多体波函数;辛群对称性;约化密度矩阵;N表示问题;
- Reduced density matrices and pair potentials in protein folding and binding 约化密度矩阵和蛋白质研究中的原子对势能
- Theoretical Analysis of Two Reconstruction Schemes of Reduced Density Matrices 两种约化密度矩阵重构方法的理论分析
- Reduced density matrix 约化密度矩阵
- Off-diagonal elements of density matrix go to zero. 经典定义:密度矩阵非对角元趋于零。
- Keywords multipartite entanglement pure state;QED;local measurement;reduced density matrices;remote state preparation;quantum telecloning; 多粒子纠缠纯态;QED;局域测量;约化密度矩阵;量子远程态制备;量子远程克隆;
- The reduced density of the bird skeleton provided a light but strong frame. 骨骼密度的降低使得鸟类的骨架更轻盈，更利于飞行。
- By solving the density matrix equations, we gained the susceptibility. 通过求解密度矩阵方程,得到感生极化率。
- When the density matrix of the whole ensemble consisted of system-meter is reduced to the microscopic physical system, the system trend quantum decoherence in nature. 把由系统与仪器组成的系综的密度矩阵约化到被测系统部分，于是自然趋近量子退相干。
- Xrays of limb bones may show reduced density and thin cortices and in some cases fractures in metaphyses. 对四肢骨骼的X光检测显示出骨量减少，皮质变薄，甚至干骺端碎裂。
- A method is proposed to construct a localized active functional space from the density matrix of a large system. 报道了从大体系的密度矩阵出发构造定域于指定局部的活性泛函空间的方法和程序。
- 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。
- In this paper, expound a semiclassical density matrix theory, it was used by Author in theoretical study of miniature optically pumped submillimeter wave laser. 重点论述在小型光泵亚毫米波激光的理论研究中所应用的量子系统的半经典密度矩阵理论。
- We start from the schrodinger equation, researching on the interaction process of cold atoms system with Raman laser pulse, and then educe the density matrix equation. 第二章推导出了原子与拉曼脉冲激光作用后的能态分布矩阵以及原子在重力场中的传输矩阵。
- Density Matrices I. Initial Non-Eigenstate Preparation, Evolution, Detection. 19密度矩阵I.;初始非本征态的准备、演化、探试。
- Using the method of density matrix, we get the rate equations about electron transport in the mesoscopic system derived form many body schrodinger equation. Makeing using of them, we obtain the spin current and charge current through the systems. 本文利用密度矩阵的方法，由多粒子体系的薛定谔方程，我们得到了微观体系中电子输运的几率方程，从而推导出通过量子点的自旋电流与电荷流的表达式。
