Status Confirmed Seminar Series COURS Subjects hep-ph Date Friday 28 April 2017 Time 10:00 Institute IPHT Seminar Room Salle Claude Itzykson, Bât. 774 Speaker's Last Name Adam Falkowski Speaker's First Name Speaker's Email Address Speaker's Institution LPT Orsay Title Effective field theories in particle physics (2/4) Abstract The methods and ideas of Effective Field Theory (EFT) are among the most powerful and deep organising principles in physics, and particularly so in Quantum Field Theory and its ramifications and applications into particle physics, condensed matter physics, and statistical mechanics. \par The basic idea is to approximate a physical system by integrating out the degrees of freedom that are not relevant in a given experimental setting. These are traded for a set of effective interactions between the remaining degrees of freedom. \par In these lectures we will review the concept, techniques, and applications of the EFT framework. \\ -- Overview of the EFT landscape : Prominent examples including Fermi theory, the Heisenberg-Euler Lagrangian, and chiral perturbation theory. \\ -- Integrating out heavy particles : Quantitative discussion of the procedure in a quantum field theory. Explicit example of the tree- and one-loop level matching between an EFT and its UV completion. \\ -- Beyond the Standard Model : Introduction of the Standard Model EFT by extending the Standard Model Lagrangian with non-renormalizable interactions representing the effects of new heavy particles. \\ -- Functional integration methods and EFTs for classical systems. arXiv Preprint Number Comments https://courses.ipht.cnrs.fr/?q=fr/node/167 Attachments 2016-2017.pdf (5422338 bytes) 2017_Falkowski.pdf (5434913 bytes)

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