Adding angular momenta in quantum mechanics
109230
Adding 3 electron spins
38939
A book on quantum mechanics supported by the high-level mathematics
143157
Perturbation theory: justifying expansion in terms of eigenstates of the basis Hamiltonian
44747
Finding the effective Hamiltonian in a certain subspace
152750
Is there a time operator in quantum mechanics?
147491
When is separating the total wavefunction into a space part and a spin part possible?
42020
What is the spin rotation operator for spin > 1/2?
59282
What is the significance of angular frequency $\omega$ with regards to wave functions?
114317
Cauchy-Schwarz inequality in Shankhar's Quantum Mechanics
77742
Queries about rotational groups $\mathrm{SO}(3)$ and $\mathrm{SU}(2)$ in QM
106807
Relation between magnetic moment and angular momentum -- classic theory
47268
Is all angular momentum quantized?
69031
Square of angular momentum operator in spherical coordinates
69764
Potential inside a polarized sphere
71539
The average of inverse square radius $r^{-2}$ for any state quantum $|n\ell\rangle$ using the radial Schrödinger equation
69481
Classical limit of the path integral formulation of quantum mechanics
28946
Derivation of Spin Lagrangian