双重态

beh分子第一激发双重态a~2∏的结构与势能函数

Structure and Potential Energy Function for the First Excited Doublet A ~ 2 ⅱ State of BeH Molecule

用DFT方法对NiB3双重态和四重态两种多重度的各种可能构型进行高水平的ABINITIO计算，发现B原子之间存在较强的相互作用，对NiB3体系的稳定性有很大贡献。

Ab initio calculations at high level were performed for the series of NiB 3 with doublet state and quartet state . It was found that there is very strong interaction between B atoms , which has a great contribution to stability for NiB 3 system .

本文用DFT方法对Ni2B分子双重态和四重态两种多重度进行高水平的ABINITIO计算，结果发现B以sp，sp2两种杂化方式同Ni成键，并且B带有相反的电荷；

Ab initio calculations at high level were performed for the series of Ni 2B with doublet state and quartet state . It was found that B combines with Ni in term of two different hybrid forms , sp , sp 2 , and B with opposite charge ;

质子和中子构成电荷双重态。

Proton and neutron form a charge doublet .

在末态为双重态的型原子结构中，研究发现使用脉冲对序列可以选择性的制备最大相干叠加态。

We demonstrate that the maximum coherent superposition state can be selectively prepared using a sequence of pulse pairs in lambda-type atomic systems , with the final level as a doublet .

P型LEC-GaAs中双重受主态的研究

Investigation on Double Acceptor States in P-type LEC-GaAs

实验上最容易实现的双重子态是奇异数为零的态：即NN或△△。

The dibaryon states without strangeness : NN , N △ and △△ are much easier to be realized in experiments .

碰撞微扰下的双重激发态原子的近共振散射

Near resonant scattering of collision perturbed atoms with doublet excited states dual images

研究双重子态，首先所用的模型要能较好地描述重子相互作用。

Any model which is to be applied to study the dibaryon state should firstly describe the baryon well .

对一给定的双重子态其夸克效应的性质由自旋、味道和色空间置换算符在该态的矩阵元决定。

The expectation value of the permutation operator of the spin-flavor-color space is a very important quantity to measure the quark exchange effect .

另一些自旋-味道状态，夸克交换效应有助于把两个重子融合到一起，从而形成双重子态。

But for some other spin-flavor states , the quark exchange effect is favorable for mixing the two baryon clusters together to form dibaryon .

使用组态相互作用理论详细分析He的双重激发自电离态，以及第一电离阈植附近非谐振区e-He~+散射的位相移动，这种位相移动反映了非谐振区内电子&电子短程相互作用。

The double excited autoionization states of the He atom and the e-He + scattering phase shifts in the nonresonant region near the first ionization threshold are examined in detail , using a simple configuration-interaction approach . The phase shifts reflect the short-range electron-electron correlations .

采用矢通量分裂法求解2D－Euler方程组，对亚燃／超燃双重燃烧冲压发动机（DCR）进气分流流场及其双重燃烧的冷态掺混流场进行了数值模拟。

The flux vector splitting method is adopted to solve the 2-D Euler equations and a numerical simulation is conducted for the division-flow inlet of Dual Combustor Ramjet ( DCR ) as well as the cold-mixing flow field of both flows from a dump combustor and from a supersonic inlet .