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Results tagged with potential
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user 389930
Scalar and vector potentials in electromagnetism. The scalar potential is potential energy per unit charge. For potential energy, use the [potential-energy] tag.
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How to find the wavefunction that solves an infinite square well with a delta function well ...
If the delta potential is strong enough, there is also a solution possible for $E<0$. Define $\kappa^2 = 2m |E|/\hbar^2$ with $\kappa > 0$. … $$\psi(x)=C\sinh(\kappa x)$$
and for $L/2<x<L$ we have
$$\psi(x)=-C\sinh(\kappa(x-L))$$
Now, applying the calculation for the discontinuity in the derivative of the wavefunction with a delta-function potential …
