Spontaneous Symmetry Breaking vs Addition of 'Mass terms' by hand
37690
What goes wrong if we add a mass term for gauge bosons without the Higgs mechanism?
123497
Quantum Field Theory without LSZ, how is it possible?
120820
Why, in spin sums, we sum over final spin states and average over initial states?
51601
Double counting potentials in $N$-Body Problem?
15221
How to explain these inconsistencies in the R+L=J theory?
59594
Binding energy and mass
112723
The problem of self-force on point charges
75365
How are string vibration modes related to particle identity?
37126
Where does in GUT symmetry breaking $U(1)$ come from?
112366
Is mass an observable in Quantum Mechanics?
39244
References on the non-compositeness of the known elementary particles
60172
How to explain $E=mc^2$ mass defect in fission/fusion?
54548
Expectation value for $\frac{1}{r}$ in the $|nlm\rangle$ state of hydrogen
63747
What is the relation between interaction range and the mass of gauge bosons?
79094
Perturbation expansion with path integrals
65831
Understanding type of force interaction in particle decays
14203
Finding the creation/annihilation operators