What is quantum field theory?

Quantum field theory marries the ideas of other quantum theories to depict all particles as “excitations” that arise in underlying fields.

Quantum Field Theory: Understanding the Foundations of Q - FasterCapital

Moshiach & Quantum Field Theory

perturbative quantum field theory in nLab

A Prelude to Quantum Field Theory

Quantum Field Theory: Understanding the Foundations of Q - FasterCapital

What is Quantum Field Theory? I

Quantum mechanics - Wikipedia

Quantum Field Theory Lecturer GPT - Quantum theory tutoring - TAAFT

Do Mathematicians Get Concerned About How Infinities are Dealt

Quantum Field Theory I: Basics in Mathematics and Physics: A Bridge between Mathematicians and Physicists