Mathematics of Quantum Field Theory
121584
Rigor in quantum field theory
40340
How general is the Lagrangian quantization approach to field theory?
106233
Physics for mathematicians
17120
Why use Fourier expansion in Quantum Field Theory?
87914
Contradictory result for scalar-field propagator from Feynman rules and LSZ formula
89295
The interpretation of mass in quantum field theories
62387
What are independent parameters in Hellmann–Feynman theorem?
100985
Effect of linear terms on a QFT
113610
Spinor field normalisation from poles in the propagator
60289
How does QFT interpret the Negative probability problem of the real scalar fields' Klein-Gordon equation?
105660
Invariance of action $\Rightarrow$ covariance of field equations?
98303
Ward identity derived from global symmetry and SDE, different from that derived from gauge symmetry?
410
QM and Renormalization (layman)
54379
Tensor formula in SU(3) representations
7447
Self Teaching QFT
112398
Proof that the effective/proper action is the generating functional of one-particle-irreducible (1PI) correlation functions
111928
Solving a Casimir configuration, the U - bracket