Independent electron approximation

The independent electron approximation is used in both the free electron model and the nearly-free electron model. In this approximation we do not consider electron-electron interaction in a crystal. It is more difficult to treat electron-electron interactions than ion-electron interactions because:

单词	Independent electron approximation
释义	Independent electron approximation 英语百科 Independent electron approximation The independent electron approximation is used in both the free electron model and the nearly-free electron model. In this approximation we do not consider electron-electron interaction in a crystal. It is more difficult to treat electron-electron interactions than ion-electron interactions because:
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