TAG: theories:quantum theory:quantum field theory

BPHZ	quantum field theory
Feynman Diagrams	quantum field theory
Fourier Transform	quantum mechanics, quantum field theory, electrodynamics
Group Theory	quantum mechanics, quantum field theory
Imaginary Numbers	quantum mechanics, quantum field theory, electrodynamics
Linear Algebra	quantum mechanics, quantum field theory, classical mechanics
Pauli Principle	quantum mechanics, quantum field theory
Probability	quantum mechanics, quantum field theory, Statistics, statistical mechanics
Quantization	quantum mechanics, quantum field theory
Quantum Numbers	quantum mechanics, quantum field theory
Spin	quantum mechanics, quantum field theory
Symmetry Breaking	quantum mechanics, quantum field theory
Wick Rotation	quantum field theory