These lectures introduce some of the basic ideas of effective field theories. The topics discussed include: relevant and irrelevant operators and scaling, renormalization in effective field theories, decoupling of heavy particles, power counting, and naive dimensional analysis. Effective Lagrangians are used to study the $\Delta S=2$ weak interactions and chiral perturbation theory.
CITATION STYLE
Perturbative and Nonperturbative Aspects of Quantum Field Theory. (1997). Perturbative and Nonperturbative Aspects of Quantum Field Theory. Springer Berlin Heidelberg. https://doi.org/10.1007/bfb0104287
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