密度泛函的基础是一个假定：假定一个多粒子体系的任何性质都是基态电子密度的函数。
The basic idea of DFT is an ansatz, which assumes that any properties of many-body system can be determined by the ground state density.
密度泛函的基础是一个假定：假定一个多粒子体系的任何性质都是基态电子密度的函数。
The basic idea of DFT is an ansatz, which assumes that any properties of many-body system can be determined by the ground state density.
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