Effective Field Theories
Aneesh V. Manohar
Abstract
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 ΔS=2 weak interactions and chiral perturbation theory.
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