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Does the momentum space of a particle in an infinite square well have spikes or is it continuous?
I've heard so many differing opinions on this.
I go online and heaps of websites say that you just do a Fourier transform on position to get the momentum, and if you go through with this you'll get a continuous momentum space. However, other sources say you can't do a Fourier transform and instead you must look at the superposition of free particle wavefunctions, leading to spikes in the momentum space.
So could I please get help in reaching a definite answer to this conundrum?
Thanks
I've heard so many differing opinions on this.
I go online and heaps of websites say that you just do a Fourier transform on position to get the momentum, and if you go through with this you'll get a continuous momentum space. However, other sources say you can't do a Fourier transform and instead you must look at the superposition of free particle wavefunctions, leading to spikes in the momentum space.
So could I please get help in reaching a definite answer to this conundrum?
Thanks