Higgs field existence and zero energy
119336
Zero energy universe
154774
Why is electric field zero where equipotential surfaces intersect?
17451
Expanding electromagnetic field Lagrangian in terms of gauge field
128937
Lie theory and particle physics
88658
Confusion regarding the principle of least action in Landau & Lifshitz "The Classical Theory of Fields"
83917
How can I prove that the following Lagrangian is Lorentz-invariant iff the axionic field is a pseudoscalar?
25364
Supersymmetry in Quantum Field Theory
89528
Formalizing Quantum Field Theory
48930
Least-action classical electrodynamics without potentials
116427
$(c^{\mu}\partial_{\mu}-m)\phi(x)=0$ not Lorentz-invariant?
53415
Do neutrinos not couple to the Higgs field?
12433
How do $\pi^0$ particles exist?
63953
Essential singularity
149741
Review: If true, what makes the vacuum of a local ${\rm U(1)}$ gauge theory unique?
132352
What role does "spontaneously symmetry breaking" played in the "Higgs Mechanism"?
82894
Why cannot fermions have non-zero vacuum expectation value?
93835
Why do those terms vanish if the metric is Hermitian?