Can anyone explain to me why we use the periodic boundary condition(adsbygoogle = window.adsbygoogle || []).push({});

Ψ(x)=Ψ(x+L), in order to normalize the free particle's quantum state??

I've made 2 threads already on this some time ago, but havent got an answer still..

I hope this time i`ll have because im really curious about the physical significance of PBC!

John

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# Normalization of a free particle quantum state

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