In order to calculate the coulomb potential scattering, the path integral is investiged in momentum space.
在合理的近似下，通过在动量表象中计算路径积分，较为方便地求出了。
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。
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。
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