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    Quantum particle in a rigid box with 2 given wavefunctions solving for energies

    My understanding was that from 0-0.5 and 1.5-2, ψ(x)=0 (for both cases), so the second derivative would be 0 as well, no? And within 0.5-1.5 it is just a constant 1/√a so that derivative is also 0.
  2. C

    Quantum particle in a rigid box with 2 given wavefunctions solving for energies

    I have a quantum problem that I can't seem to figure out: There's an electron in a 1-D rigid box of length 2A but it is known to reside in a central segment of 1A with uniform probability of residing within this segment. There are two possible wavefunctions: one with constant phase...
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