Why cannot massless particles carry charges?
35409
Massless charged particles
81880
How can a photon have no mass and still travel at the speed of light?
100098
Chemical potential of particles with zero mass
17787
Photoelectric Effect, Why can't two quanta interact with an electron at the same time?
106119
Why is there no permittivity-type constant for gravitation?
61603
Why is the Yang–Mills existence and mass gap problem so fundamental?
157882
Why are gluons believed to be massless?
80749
If Energy can be converted into mass, why can it not be converted into charge?
38673
General relativity: For massless particles, is the momentum and velocity 4-vectors equal?
150365
Is electric charge truly conserved for bosonic matter?
154419
Can one introduce magnetic monopoles without Dirac strings?
91135
Virtual particles and physical laws
132263
Pauli principle for particles very far apart from each other
69799
Why, fundamentally, are particles charged?
15767
Can a free particle absorb/emit photons?
22838
Can a third type of electrical charge exist?
20401
Why doesn't matter pass through other matter if atoms are 99.999% empty space?