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Quantum Field Theory/Interacting quantum fields
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Quantum Field Theory
Contents
1
Schwinger-Dyson equations
2
Interaction Lagrangians and coupling constans. Interaction representation for the time evolution of the state vector. S-matrix. Cross sections.
3
Covariant perturbation theory. T-product and N-product of the field operators. Propagators. Wick's theorem.
4
Interaction of fermions and bosons, Lint=-gψψ(φ+φ+). Feynman rules in coordinate and momentum space. Scattering of fermions. Non-relativistic limit. One boson exchange potential.
Schwinger-Dyson equations
edit
Interaction Lagrangians and coupling constans. Interaction representation for the time evolution of the state vector. S-matrix. Cross sections.
edit
Covariant perturbation theory. T-product and N-product of the field operators. Propagators. Wick's theorem.
edit
Interaction of fermions and bosons, Lint=-gψψ(φ+φ+). Feynman rules in coordinate and momentum space. Scattering of fermions. Non-relativistic limit. One boson exchange potential.
edit
