Ciro Santilli
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Position and momentum space | 🗖 nosplit | ↑ parent "Uncertainty principle" | 103, 3, 205

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One way to think is: what is the definition of space space? It is a way to write the wave function such that:
  • the position operator is the multiplication by
  • the momentum operator is the derivative by
And the, what is the definition of momentum space? It is of course a way to write the wave function such that:
  • the momentum operator is the multiplication by
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