# Definition Radial distribution function

1. Apr 16, 2015

### Pluto

In some books the radial distribution function is defined as 4pi*r^2*R(r)^2 and in others as r^2*R(r)^2. Thus, a factor of 4pi is differing. Which expression is correct and why?

2. Apr 16, 2015

### soarce

This factor may come from the normalization of the wavefunction $\int_{\mathbb{R}^3}drd\theta d\varphi \left| \Psi(r,\theta,\varphi) \right|^2 = 1$.

3. Apr 16, 2015

### julcab12

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