How can I derive $\langle p | x \rangle=e^\frac{ipx}{\hbar}$ without resorting to wave mechanics?
58445
What does the Canonical Commutation Relation (CCR) tell me about the overlap between Position and Momentum bases?
73624
Why is orbital angular momentum quantized according to $I= \hbar \sqrt{\ell(\ell+1)}$?
152686
How to derive $E=mc^{2}$?
124703
Where does the $i$ come from in the Schrödinger equation?
59021
What is the most general expression for the coordinate representation of momentum operator?
66745
Mathematics for Quantum Mechanics
59004
Why does time evolution operator have the form $U(t) = e^{-itH}$?
2451
Minimum Uncertainty Wavefunction derivation
157297
Should the eigenkets be weighted in $|P\rangle = \sum\limits_{r}|\xi^r\rangle$?
68951
Normalization of the overlap $\langle x'|p'\rangle$
58720
How to promote algebraic expressions to operators in quantum mechanics?
117387
Can we safely assume $\Psi(x,t) = \psi(x)e^{-i\omega t}$ always in QM?
104657
Wave/particle duality
71064
How to prove that $\langle Av,w\rangle=\langle v,A^Tw\rangle$?
67350
Analytic solution of: ${u}''+\frac{1}{x}{u}'=-\delta e^{u}$
25641
Is there a direct physical interpretation for the complex wavefunction?
79024
the derivation of E(X|X)