Reference: Renormalization Group and scale invariance in statistical mechanics
105655
Suggested reading for renormalization (not only in QFT)
112398
Proof that the effective/proper action is the generating functional of one-particle-irreducible (1PI) correlation functions
94717
Systems in quantum mechanics solved by ladder operator method
123655
References about rigorous thermodynamics
89295
The interpretation of mass in quantum field theories
37126
Where does in GUT symmetry breaking $U(1)$ come from?
40458
Does scaling lead to weak convergence to the null function?
11181
Counting degrees of freedom of gauge bosons
55518
Non-equilibrium phase transition
146666
Intuitive reason for the $T^4$ term in Stefan Boltzmann law
101090
Why exactly do sometimes universal covers, and sometimes central extensions feature in the application of a symmetry group to quantum physics?
155492
Exercise on local and global symmetry for a given Lagrangian density
51601
Double counting potentials in $N$-Body Problem?
29152
Conversion of the Polyakov action into the Nambo-Goto action?
113938
DOS of Van Hove singularity in 2D square lattice tight binding model
149191
When does the $n$th bound state of a 1D quantum potential have $n$ maxima/minima?
14164
Proving that 1- and 2-d simple symmetric random walks return to the origin with probability 1