Can we theoretically prove that for an elementary particle to carry a nonzero charge it must have a nonzero mass?
35409
Massless charged particles
89295
The interpretation of mass in quantum field theories
89420
Can quarks be considered real and elementary?
12422
Derivation of $E=pc$ for a massless particle?
38703
Do virtual particles actually physically exist?
87598
Can we define the effective mass or the moving mass of a photon?
68849
Coulomb's Law in the presence of a strong gravitational field
123657
Why do physicists think that the electron is an elementary particle?
80719
What defines the mass of elementary particle?
22958
Is there such a thing as charge density in quantum mechanics?
152110
How does $p\cdot u$ relate to observed energy and momentum for a massive particle?
147803
Why does vacuum have a nonzero characteristic impedance towards electromagnetic radiation?
61686
Noether's first theorem and classical proof of electric charge conservation
12433
How do $\pi^0$ particles exist?
143668
Theoretical reasons for charge quantization
50178
\qed for theorems without proofs
51589
Can virtual particle have mass?