利用电子束的弗拉索夫分布函数理论和三维波导模的波动方程求得在康普顿区域中的散射波色散关系。
By making use of the Vlasov distribution theory and the three dimensional wave equation of waveguide modes, the dispersion relation of scattered waves in Compton region is deduced.
采用霍尔斯坦和普里马科夫提出的二次量子化方法把磁振子系统的哈密顿量简化,并应用平均场理论处理了哈密顿量中的非线性相互作用项;
Hamiltonian of magnons system was simplified by the second quantization method presented by Holstein and Primakoff. The nonlinear interaction term of Hanitltonian was dealt with by mean theory.
“普雷顿公园拥有一个优越的足球场,我认为这是球队最宝贵的财富,”菲尔克·劳夫说道。
It's a good footballing surface at Prenton Park and I think that will be a key asset for the team, "said Fairclough."
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