For the quasi one-dimensional electron systems with coulomb interaction, a new model is presented. The form of effective coulomb potential is derived.
对于具有库仑相互作用的准一维电子体系，本文提出了一种新的模型，得到了准一维体系的电子有效库仑势形式。
The electron gas screening on Coulomb potential can be weakened greatly when Landau level filling factor is an even number.
当填充因子为偶数时，其本征能量的绝对值最大，此时电子气对库仑势的屏蔽效应最弱。
The Hamiltonian of sodium atom is reduced by using screening Coulomb potential, and the energy levels of sodium atom are calculated by means of twofold perturbation.
用屏蔽库仑势简化了钠原子的哈密顿，用两次微扰法计算了钠原子的能量，结果与实验值符合得较好。
The results show that the vibration frequency and effective mass of the strong - and weak - coupling bound polaron will increase with increasing the absolute value of the Coulomb potential.
结果表明，束缚极化子的振动频率和有效质量随库仑势的绝对值的增加而增大。
The results show that the vibration frequency and effective mass of the strong - and weak - coupling bound polaron will increase with increasing the absolute value of the Coulomb potential.
结果表明，束缚极化子的振动频率和有效质量随库仑势的绝对值的增加而增大。
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