I understand that the fourier transform to obtain the representation of a wavefunction in k space is(adsbygoogle = window.adsbygoogle || []).push({});

$$ \phi(k) =\frac{1}{2\pi}\int{dx \psi(x)e^{-ikx} } $$

and that $$p=\bar{h} k$$

But why then is $$\phi(p) =\frac{\phi(k)}{\sqrt{\bar{h}}} $$

Many thanks in advance :)

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# B Position representation

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