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In equation (5.35) the constant drops out when the derivative with respect to r is taken. However, in equation (5.36) the constant does not drop out. Does anybody know why?

Equation (5.35)

[tex]

F_L=-\frac {d}{dr}\left(\frac {n^2h^2}{2\mu r^2}\right)=\frac{n^2h^2}{\mu r^3}

[/tex]

Equation (5.36)

[tex]

F_C=-\frac{d}{dr}\left(-\frac {e^2 }{4\pi \epsilon_0 r}\right)=-\frac{e^2}{4\pi \epsilon_0 r^2}

[/tex]

The equation can be found in context at the following link, which should take you to page 173, equation (5.35) & (5.36) is found on page 172.

http://books.google.com/books?id=FnQ...page&q&f=false [Broken]

Stochastic Simulations of Clusters: Quantum Methods in Flat and Curved Spaces By Emanuele Curotto

Equation (5.35)

[tex]

F_L=-\frac {d}{dr}\left(\frac {n^2h^2}{2\mu r^2}\right)=\frac{n^2h^2}{\mu r^3}

[/tex]

Equation (5.36)

[tex]

F_C=-\frac{d}{dr}\left(-\frac {e^2 }{4\pi \epsilon_0 r}\right)=-\frac{e^2}{4\pi \epsilon_0 r^2}

[/tex]

The equation can be found in context at the following link, which should take you to page 173, equation (5.35) & (5.36) is found on page 172.

http://books.google.com/books?id=FnQ...page&q&f=false [Broken]

Stochastic Simulations of Clusters: Quantum Methods in Flat and Curved Spaces By Emanuele Curotto

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