Spontaneous symmetry breaking of a spinor / vector field
82894
Why cannot fermions have non-zero vacuum expectation value?
131016
Question about Klein-Gordon field Lagrangian
123497
Quantum Field Theory without LSZ, how is it possible?
101944
Fundamental invariants of the electromagnetic field
66618
Quantum spin in a rotating reference frame
59657
On the nature of the collapse of the wave function
43976
Is the description of the gravitational field as a vector field and a tensor field compatible?
155492
Exercise on local and global symmetry for a given Lagrangian density
92674
Could spontaneous symmetry breaking happen again in our universe?
64212
Dirac, Weyl and Majorana Spinors
10953
Elementary argument for conservation laws from symmetries *without* using the Lagrangian formalism
99063
Einstein-Hilbert action as an effective field theory
83936
Why is the Dirac mass term Hermitian if Grassmann-valued fields anticommute?
65442
Conformal transformation/ Weyl scaling are they two different things? Confused!
131822
Polarization vectors of massive and massless particles
96784
Klein-Gordon-Equation contains no Spin
120180
Local explanation of the Aharonov-Bohm effect in terms of force fields