Meaning of fields in QFT
92550
What is a quantum field?
157074
The elements in the composite field $FK$
60289
How does QFT interpret the Negative probability problem of the real scalar fields' Klein-Gordon equation?
101869
Field Extension Notation
47041
What are the conditions for integers $D_1$ and $D_2$ so that $\mathbb{Q}[\sqrt {D_1}] \simeq \mathbb{Q}[\sqrt {D_2}]$ as fields.
112556
When is $F(\sqrt c)$ a field?
154318
Can a field be isomorphic to its subfield?
88658
Confusion regarding the principle of least action in Landau & Lifshitz "The Classical Theory of Fields"
6827
To identify field $Z[i]/(3)$
155046
How does QFT help with entanglement?
81986
What is more fundamental, fields or particles?
105655
Suggested reading for renormalization (not only in QFT)
82135
Lagrangian to Hamiltonian in Quantum Field Theory
81628
Why do we call a vector space in terms of vector space over some field?
121584
Rigor in quantum field theory
86967
The concept of particle in QFT
76648
do quantum fields exist in superposition?