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New posts in Quantum Mechanics
Troubles in Dirac's "Principles of quantum mechanics"
Apr 25, 2021
What is $\langle H \rangle$ in the infinite square well in the state $|\psi \rangle = | x_0 \rangle$, where $0 \le x_0 \le L$?
Apr 25, 2021
What are the necessary and sufficient conditions for a wavefunction to be physically possible?
Apr 25, 2021
What does $\exp\left( ax\frac{d}{dx} \right)$ do on $\psi(x)$?
Apr 25, 2021
What determines whether or not $|jm\rangle$ can be rotated into $|jm'\rangle$?
Apr 25, 2021
How to solve double delta potential bound states by "brute force"
Apr 25, 2021
Are all atoms spherically symmetric? If so, why are atoms with half-filled/filled sub-shells often quoted as 'especially' spherically symmetric?
Apr 25, 2021
Matrix elements for the particle on a ring
Apr 25, 2021
What experiment confirms $\mathbf{J}^2 = \hbar^2 j(j+1)$?
Apr 25, 2021
Two different formulas for the calculation of energy in QM
Apr 25, 2021
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