The radial part of the Laplacian in spherical coordinates goes as:(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\frac{d^2}{dr^2}\psi+\frac{2}{r}\frac{d}{dr}\psi [/tex]

How can this be Hermitian? The first term can be Hermitian, but the second term, with its 2/r factor, seems like it's not Hermitian?

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# Hermicity of radial equation

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