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Expectation value of P for an infinitesquare well 
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#1
Mar612, 11:05 PM

P: 43

I just have a simple question to get me started. If I am given an initial value wavefunction ψ(x,0) and I am asked to find <P> at t = 0 can I use this:
<P> = ih∫ψ*(x,0)[itex]\frac{∂}{∂x}[/itex]ψ(x,0)dx or do I need to find ψ(x,t) before I find <P>? 


#2
Mar712, 03:45 AM

P: 112

No you are right (h bar)



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