Recent content by petera88

Hello. I have this same problem and was able to find it here. I actually got everywhere up to the point of N = m(2r'theta' +gcos(theta)) but am getting a wrong answer. I assumed this was the final answer. Since there is no normal force in the er direction or Ez direction, why isn't this it?

Homework Statement Given the delta function -α[δ(x+a) + δ(x-a)] where α and a are real positive constants. How many bound states does it possess? Find allowed energies for \frac{hbar2}{ma} and \frac{hbar2}{4ma} and sketch the wave functions. Homework Equations I know there are three parts of...

I moved this to the homework section. Did not realize I was posting it here. Sorry about that.

Homework Statement Find the probability current of a free particle. Homework Equations \Psi(x,t) = Aei(kx-\frac{(hbar)k^{2}t}{2m}) J(x,t) = \frac{ihbar}{2m}(ψψ*' - ψ*ψ') The Attempt at a Solution I figured it was just take the derivative of the time dependent wave function and...

Hello. This is my first post here. I am an undergrad student and my first experience with quantum mechanics isn't going as well as I hoped. I decided I should join this form and ask question for conceptual help. So here is my first question. The formula for probability current has a...