Do we understand why mass, charge or magnetic moment appear as quantized quantities?
591
Reason for the discreteness arising in quantum mechanics?
69293
Physical dimensions for the Coulomb force in SI and CGS
87354
Is there a reason why the spin of particles is integer or half integer instead of, say, even and odd?
104244
Is the Momentum Operator a Postulate?
9965
Deriving or justifying fundamental constants
86278
What is the explanation of the non-existence of magnetic monopoles?
24042
Why does gravity need to be quantised?
115200
Why does energy have to be emitted in quanta?
70694
Can actual quantum effects occur on a macro scale?
74582
How can blackbody radition be explained by quantization?
104024
Does the mass of an electron change with its "energy state"?
148541
Quantization of a particle on a spherical surface
49300
How does non-Abelian gauge symmetry imply the quantization of the corresponding charges?
86967
The concept of particle in QFT
154772
The Momentum Operator in QM
7477
Why is the momentum of a particle $\gamma mv$?
954
Are physical probabilities also quantized?