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Learning from scratch


May
2
accepted How to construct the radial component of the momentum operator?
May
1
revised How to construct the radial component of the momentum operator?
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May
1
answered How to construct the radial component of the momentum operator?
May
1
comment How to construct the radial component of the momentum operator?
on second thought, your expression is correct for 1 dimensional space. For D dimensional euclidean space the expression is $$p_r = \frac{\hbar}{i}(\frac{\partial}{\partial r}+\frac{D-1}{2r})$$ Your expression is correct in 1D. Please make a trivial edit so I may atleast remove my downvote.
May
1
comment How to construct the radial component of the momentum operator?
this is incorrect, the actual form is $$p_r = \frac{\hbar}{i}(\frac{\partial}{\partial r}+\frac{1}{r})$$
May
1
asked How to construct the radial component of the momentum operator?
Apr
29
revised Laplacian of $1/r^2$ (context: electromagnetism and poisson equation)
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Apr
29
revised Laplacian of $1/r^2$ (context: electromagnetism and poisson equation)
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Apr
29
answered Laplacian of $1/r^2$ (context: electromagnetism and poisson equation)
Apr
28
comment $\frac{1}{\sqrt{2}}$ (|Independent particle Model⟩+ |Strong Interaction Model⟩)?
@Luboš Motl That clears it a lot. Thanks, as always.
Apr
28
comment $\frac{1}{\sqrt{2}}$ (|Independent particle Model⟩+ |Strong Interaction Model⟩)?
Thanks Anna that was insightful.
Apr
28
accepted $\frac{1}{\sqrt{2}}$ (|Independent particle Model⟩+ |Strong Interaction Model⟩)?
Apr
27
comment $\frac{1}{\sqrt{2}}$ (|Independent particle Model⟩+ |Strong Interaction Model⟩)?
@David if you have ideas feel free to edit ;)
Apr
27
comment Which Mechanics book is the best for beginner in math major?
Although I have answered, I think this might be a sub duplicate of a more general question either here or on math.se If someone remembers they must link it as it had lots of references.
Apr
27
answered Which Mechanics book is the best for beginner in math major?
Apr
26
revised $\frac{1}{\sqrt{2}}$ (|Independent particle Model⟩+ |Strong Interaction Model⟩)?
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Apr
26
asked $\frac{1}{\sqrt{2}}$ (|Independent particle Model⟩+ |Strong Interaction Model⟩)?
Apr
26
comment Is there a direct physical interpretation for the complex wavefunction?
There is a significant overlap of this question with one I asked earlier. You might want to look at some of the answers in physics.stackexchange.com/q/8062
Apr
25
revised How do I correctly interpret $\rho = \psi_1^* \psi_2$?
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Apr
25
revised How do I correctly interpret $\rho = \psi_1^* \psi_2$?
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