The use of the free undamped normal modes is seen to ensure that the linear and angular momenta of the distortional motion vanish. 看来采用自由无阻尼正规模态可保证变形运动的线动量和角动量为零。
Moreover, additional angular momenta are added to the off-axis propagating solitons. 此外,轴外传输的孤子会获得附加的角动量。
Each of the individual momenta may change in time. 每个单独的动量可能随时间而变化。
A program for the angular momenta and their multiplicities of identical particle system 全同粒子系统的总角动量及其重复度的计算程序
The Bethe Ansatz equations and ground-state energy-are calculated. The momenta of the system and the energy spectrum are studied in some special cases. 我们进一步用CBA方法得到模型的Betheansatz方程组及基态能量,并详细研究了系统在极限条件下的能谱和动量。
With preliminary application of canonical Ward identities to such a system, some relationships among the vertices and propagators for the fields can be deduced without carrying out the integration for canonical momenta in phase space path integral. 将正则Ward恒等式初步应用于该系统,不作出对正则动量的路径积分,也可导出场的传播子与正规顶角之间的某些关系。
Analysis of the masses and angular momenta of galaxies 星系的质量和角动量的分析
Effective Expressions for Momenta Normalization and Renormalization to e-■ Loop propagator e-■圈传播子重整化的有效动量正规化与计算式
Soft-mode oscillations of canonical momenta in a Hamiltonian system 一个哈密顿系统正则动量的软模振荡
On Starting from the generating functional of Green function in phase space and introducing exterior sources for canonical momenta, it turns out that the generating functional of proper vertices is equal to canonical action in tree approximation. 从相空间中Green函数的生成泛函出发,对正则动量引入外源,利用最陡下降法,证明了在树图近似下,正规顶角的生成泛函等于正则作用量。
By measuring the scattered neutron intensity versus momenta and energy transfers, the structure and dynamical information of the biological macromolecules can be obtained. 测量中子在生物样品上的动量和能量转移,可以得到动力学结构因子。
Matrix Method of Eigenvalue for the Addition of Angular Momenta 论角动量耦合本征值问题的矩阵对角化
More importantly, the generalized momenta based Lagrange's equations show unique advantages over the traditional Lagrange's equations in symplectic integrations. 更为重要的是,广义动量表示的拉格朗日方程较之传统形式的拉格朗日方程在辛积分中表现出独特的优越性。
As examples, we have calculated the SU ( 3) and SU ( 4) monopoles in detail, and discuss some problems such as angular momenta and topological quantum numbers. 以SU(3),SU(4)为例进行了详细计算并讨论了角动量和拓扑量子数等问题。
Numerical Analysis of a Class of Planar Three-Body Systems with Nonzero Angular Momenta 一类具非零角动量的平面三体系统的数值分析
The Theoretical Calculation of Averaged Magnetic Momenta of the Atoms for γ-FeMn Alloy γ-FeMn合金平均原子磁矩的理论计算
The angular momenta of superdeformed bands like 192 Hg ( 2), which have bands cross, can also determined by analyzing the spectra before bands cross and by comparison with the variation of the kinematic and dynamic moments of inertia with rotational frequency and their mutual relation. 192Hg(2)等发生带交叉的超形变带,它们的带首自旋也可通过分析带交叉以前、两类转动惯量随转动频率的变化及其相互关系定出。
For the dynamics of a rigid body with a fixed point based on quaternion and the corresponding generalized momenta, a displacement-based symplectic integration scheme for differential-algebraic equations is proposed and applied to the Lagrange's equations based on dependent generalized momenta. 针对四元数和对应广义动量表示的刚体定点动力学方程,利用一种位移格式的微分&代数方程积分方案,实现了非独立广义动量表示的拉格朗日方程的辛积分算法。
By using the sharp cut-off model approximation, the values of the critical angular momenta were extracted from the complete fusion cross-sections. 并用锐截止模型由全熔合截面导出了临界角动量。
Through analyzing the hadron current tensor for the deep inelastic scattering of leptons from the quasi-free nucleon, we obtained the ralation of transverse momenta of parlous to their longitudinal momentum distributions in the quasi-free nucleon. 通过对轻子在准自由核子上深度非弹性散射的强子张量进行分析,建立了准自由核子内部分子横向动量与相应部分子纵向动量分布间的关系;
It was found that in cases of strong confinement potential the energy spectrum remained one of independent particles, whereas in cases of weak confinement potential there appeared magic angular momenta, the structure of the system being determined chiefly by inherent nodal surfaces. 当禁闭势较弱时,电子之间的强关联导致了魔角动量的出现,而系统的结构主要由内禀节面决定。
Photons carrying orbital angular momenta can be used to create a high-dimensional entangled state. 光子的轨道角动量可以用来产生高维纠缠,使得某些量子信息过程有更高的效率。
By introducing the rectangular wave packet, we have obtained the mean expectation values of the coordinates, momenta, and the square of these operators. 论文中引入了一种特殊的经典波包&矩形波包,计算了笛卡尔坐标、动量以及它们平方的平均值。
Direct routine bp algorithm learning inefficiency, rapidity of convergence slow wait vice, adopt lot study, append momenta term, adaptive learning coefficient wait measure held over improve on it. 针对常规BP算法学习效率低,收敛速度慢等缺陷,采用批量学习、附加动量项、自适应学习系数等措施加以改进。