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Morse和Feshbach指出,一个数量场的Laplacian量是非常重要的物理量,它可以直接确定这个场的密集和疏松的准确位置和程度。Bader发现,原子和分子电荷密度ρ(r)的拓扑性质与其Laplacian之间存在着某种内在联系,并且通过其Laplacian的性质,可以在电荷密度分布和支配它的力学性质之间建立一个桥梁。我们知道,维里定理(Virial Theorem)可以表示为 V+2T=0 (1)
Morse and Feshbach point out that the Laplacian volume of a number field is a very important physical quantity that directly determines the exact location and extent of the dense and loose field. Bader found that there is some intrinsic relationship between the topological properties of the atomic and molecular charge density ρ (r) and its Laplacian, and that through its Laplacian properties a bridge can be established between the charge density distribution and the mechanical properties that govern it. We know that the Virial theorem can be expressed as V + 2T = 0 (1)