If the Landé $g$-factor of an electron is its magnetic moment due to its inherent quantum spin, and its spin is its magnetic moment, why isn't it 1?
73858
Electron spin g-factor
108968
Why does the Stern–Gerlach quantum spin experiment conflict with classical mechanics?
128759
Why don't we define potential due to a magnetic field?
53759
How do we know photons have spin 1?
2613
Difference between spin and polarization of a photon
104852
Why can't a spin-1 particle decay into two identical spin-0 particles?
62506
Why $SU(3)$ and not $U(3)$?
74797
Why are there $1 / 1.602176634 \times 10^{-19}$ electrons in a coulomb?
47507
Spin - where does it come from?
86278
What is the explanation of the non-existence of magnetic monopoles?
118902
What does the magnetic field of the (quantum-mechanical) electron look like?
147491
When is separating the total wavefunction into a space part and a spin part possible?
107129
Is the canonical momentum conserved when a particle moves in magnetic field?
125794
What is the origin of spin of celestial objects?
135487
Why does the Earth not lose its magnetism?
42020
What is the spin rotation operator for spin > 1/2?
42225
Why can't the angular momentum vector be parallel or anti-parallel to the applied magnetic field?