AClassicalCaseOfConfusion

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seen Jul 22 '13 at 7:51

Oct
23
answered Find total energy and momentum of an moving electron in a rest frame
Oct
23
revised Can I find a potential function in the usual way if the central field contains $t$ in its magnitude?
According to comment, the equation should've been for the force F not U.
Oct
23
suggested suggested edit on Can I find a potential function in the usual way if the central field contains $t$ in its magnitude?
Oct
22
comment How do I integrate $\frac{1}{\Psi}\frac{\partial \Psi}{\partial x} = Cx$
Look, I'm not sure this is going to be helpful for anyone to read. Neither of us disagree about the definitions of partial derivatives, nor about the solution to the problem. I only posted as I felt that your first post may have said something unclear. The edit you made to your answer is sufficient to point out the assumption in your first proof, and to avoid any misinterpretation. I'd like to leave it at that.
Oct
22
comment How do I integrate $\frac{1}{\Psi}\frac{\partial \Psi}{\partial x} = Cx$
It's clear that you know how to do this problem; I wasn't trying to put that in doubt. However, I disagree with the statement I quoted, and again with "treating it as ordinary is fine as there is no explicit reason not to". The explicit reason is that it is not the same operator. Making incorrect statements only leaves the possibility of confusion for those less familiar with this kind of material.
Oct
18
awarded  Teacher
Oct
18
answered How do I integrate $\frac{1}{\Psi}\frac{\partial \Psi}{\partial x} = Cx$
Oct
15
comment Does air resistance ever slow a particle down to zero velocity?
No problem. It's not just $\alpha<0$ though! For example, try $\alpha=\frac{1}{2}$.
Oct
14
awarded  Editor
Oct
14
revised Does air resistance ever slow a particle down to zero velocity?
Comment on units.
Oct
14
answered Does air resistance ever slow a particle down to zero velocity?
Sep
21
awarded  Student
Sep
21
comment Classical scalar field correlation function
Maybe I'm being foolish, but surely your answer only works in a quantum field theory. I was under the impression that Strassler was talking about an analogous quantity in classical field theory.
Sep
21
asked Classical scalar field correlation function