Why do bosons and fermions exist?
66033
Why must fermions be antisymmetric?
141632
Is the Higgs boson an elementary particle? If so, why does it decay?
111610
Why do electrons, according to my textbook, exist forever?
135348
Is Zitterbewegung an artefact of single-particle theory?
39244
References on the non-compositeness of the known elementary particles
108081
Is there some special case where a fermion can mediate a force?
76648
do quantum fields exist in superposition?
35463
How come the universe is made of matter and not antimatter?
100748
Probability, quantum physics, and why (can't it/does it) apply to macroscale events?
86278
What is the explanation of the non-existence of magnetic monopoles?
5810
What does it mean that particles are the quanta of fields?
57051
Why does Quantum Field Theory use Lagrangians rather than Hamiltonians?
145259
Why Faddeev-Popov ghost cannot exist in external line?
48584
Wave-particle duality
67261
How does a perturbation theory make sense in quantum field theory?
131072
Why do physicists believe that particles are pointlike?
44953
Gauge symmetries and elementary particles