is fourier analysis in qft just used for going from a position wavefunction to a wavefunction described by the wave vector (k)? also why is the integral divided by [2(pi)]^n where n is the number of dimensions and how do you know when to divide the integral by the 2(pi) factor or not?(adsbygoogle = window.adsbygoogle || []).push({});

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# Fourier analysis in qft

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