correlation energy

The ground state correlation energy of helium by using parallel

用并行计算的方法研究He原子基态关联能

In this paper, the ground state energy per unit cell, spin correlation function and spin gap are calculated.

计算了单个晶胞的基态能、自旋关联函数以及自旋能隙。

Dependence of long range correlation on rapidity gap and number of particle sources in high energy H-H collisions

高能强子碰撞中长程关联对快度间隔的依赖性与粒子源数

Correlation energy of double electron system obtained by using B splines basic sets

采用B样条有限基集获得等电子系列基态关联能

The Theoretical Calculation of the Correlation Energy and the Approximative Calculation of the Molecular Correlation Energy

相关能的理论计算及分子体系相关能的近似计算法

The new energy function includes structure energy 、 texture energy and correlation energy.

本文提出了新的能量函数，它包括了结构能量、纹理能量以及相关性能量。

The results indicate that the metastable defects shift toward to the deep of the gap and correlation energy increases with the light illumination time.

结果表明，缺陷态分布随光照时间向能隙深处移动，相关能增加。

The calculation of correlation energy in the alkaline metal free electron system

碱金属自由电子相关能量的计算

The calculated values are affected by lattice constant , selection of pseudopotential and selection of exchange-correlation energy.

晶格参数的优化 、 赝势的选取和交换关联项的选择都对计算结果有较大影响.

3) The symbol timing synchronization method combining the cyclic prefix ( CP) energy difference and set correlation is adopted.

3）研究了同时利用CP（循环前缀）集相关特性和能量差分特性的符号定时同步方法，这种方法可以消除频率偏差对符号同步的影响，提高了同步效果，系统性能得到很大改善。

The magnetic order of a special quasi-one-dimensional Heisenberg antiferromagnetic spin model with numerical density matrix renormalization groups is discussed. The ground energy per unit cell, spin correlation function and the spin gap are calculated.

利用数值密度矩阵重整化群方法对一种特殊的准一维海森堡反铁磁自旋系统的基态磁性序问题进行研究，计算了单个晶胞的基态能、自旋关联函数以及自旋能隙。

Starting from the concept of error energy, using 2-dimension correlation coefficient we study the similarity of 2-dimension signal in space and give three judge methods of similarity of multi-image.

从误差能量的概念出发，用二维相关系数研究了二维信号在空间上的相似性，给出了多幅卫星图像相似性的三种判别方法。

The parallel algorithm for the correlation energy of double electron system

二电子系列关联能的并行计算

Calculation are made for paramagnetic correlation energy ( E_ ( Corr)), local magnetic moment ( S_m) and antiferromagnetic polarization ( P_L) incase U, W and J are all assumed as positive values.

在U，W，J都是正值时，计算了顺磁相的相关能，局域磁矩和反铁磁极化。

A new performance criterion is proposed which is the best trade-off among the four waveform parameters, i.e., autocorrelation sidelobe energy ( ACSE), cross correlation energy ( CCE), autocorrelation sidelobe peak ( ACSP) and cross correlation peak value ( CCPV) of waveforms.

提出了一种波形优化准则，这一准则是对同时考虑四个波形参量，即波形自相关旁瓣能量和旁瓣峰值，互相关能量及峰值的最佳折衷。