1) spin contamination
自旋混杂
1.
A new approximate method,APCCSD(T) was and developedto eliminates the dominant spin contamination from CCSD with the help of spin projection operator.
本文用APCCSD(T),自旋投影方法消除CCSD中的自旋混杂,自旋投影算符P∧用自旋湮灭算符A∧s+1和A∧s+2的乘积近似表出,提高了计算精度。
2) Spin impurity
自旋掺杂
3) mixed-spin
混合自旋
1.
By using the concept of negativity, we investigate entanglement of (1/2,1) mixed-spin anisotropic XY model and obtain the numerical results of entanglement of two spins in a transverse field at finite temperature.
通过引入negativity的概念,研究了(1/2,1)混合自旋各向异性XY模型的量子纠缠,得到了两个自旋在外场中的有限温度时的量子纠缠的数值结果。
4) mixed spin
混自旋
1.
The ground state properties of mixed spin σ=3/2 and S=2 Ising system was studied comparatively with that of mixed spin σ=3/2 and S=5/2 Ising system.
研究了混自旋σ=3/2和S=2与混自旋σ=3/2和S=5/2两种Ising系统的基态性质。
5) Heterospin system
杂自旋体系
6) hybrid automaton
混杂自动机
1.
Modeling Based on Hybrid Automaton and Studying of Control Strategy to the Heating Metering Systems;
计量供暖系统的混杂自动机建模与控制策略研究
2.
Based on the assumption that congestion events consist of a renewal process sequence, the TCP AIMD congestion control is modeled as one-state stochastic hybrid automaton.
假定拥塞事件为一个更新过程序列,采用含有一个状态的随机混杂自动机模型,描述了TCP拥塞控制中的AIMD过程。
3.
In order to overcome those shortages,based on the formalization method and applying the hybrid automaton,an effective way to accomplish the analysis and test for the FSPN is proposed in this paper.
为了克服数值分析方法在流体随机Petri网模型检验中的缺点,根据形式化方法,本文提出了借助混杂自动机实现流体随机Petri网模型的分析和验证的有效方法,同时介绍了流体随机Petri网到一阶混杂Petri网模型的转化方法。
补充资料：自旋-自旋弛豫
自旋-自旋弛豫
磁共振成像术语。又称T2弛豫或横向弛豫(transverse relaxation)，指垂直于外磁场B0方向的磁化矢量的指数性衰减过程。磁共振成像时，对置于外磁场B0中的自旋系统施加90°射频脉冲，则自旋系统被激励，其净磁化矢量指向与外磁场B0垂直；射频脉冲终止后，被激励的质子与邻近的原子核之间发生相互作用，逐渐失去相位，净磁化矢量指向恢复与外磁场平行，该过程称自旋-自旋弛豫。自旋-自旋弛豫过程无能量交换。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条