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🗖 nosplit | ⇓ toc | ↑ parent "Position and momentum space" | Wikipedia | words: 115
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One dimension in position representation:
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In three dimensions In position representation, we define it by using the gradient, and so we see that
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Video 71. Position and Momentum from Wavefunctions by Faculty of Khan (2018) Source. Proves in detail why the momentum operator is . The starting point is determining the time derivative of the expectation value of the position operator.
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Ancestors

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