How Does the Wavefunction Propagate for Infinitesimal Times?

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Dr.Maurice
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How does the wavefunction propagate for infinitesimal times? Please no Feynman path integral arguments!
 
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Discussion

The midpoint rules are false (Makri, Miller, me)
 
I may be misunderstanding the question, but are you asking the QM version of Zeno's paradox?
 

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