Unit QUANTUM FIELD THEORY
- Course
- Physics
- Study-unit Code
- GP005534
- Location
- PERUGIA
- Curriculum
- Fisica teorica
- Teacher
- Marta Orselli
- Teachers
-
- Marta Orselli
- Hours
- 42 ore - Marta Orselli
- CFU
- 6
- Course Regulation
- Coorte 2023
- Offered
- 2024/25
- Learning activities
- Affine/integrativa
- Area
- Attività formative affini o integrative
- Academic discipline
- FIS/02
- Type of study-unit
- Opzionale (Optional)
- Type of learning activities
- Attività formativa monodisciplinare
- Language of instruction
- English
- Contents
- Path integral technique. Feynman graphs 1PI. Effective action. Regularization. Renormalization. Renormalization group trajectories.
- Reference texts
- Peskin Schroeder, An Introduction to Quantum Field Theory.
Srednicki, Quantum Field Theory. - Educational objectives
- The main aim of this course is to provide students with the bases needed to compute 1 and/or 2 loops Feynman diagrams and to know renormalisation techniques.
Main knowledge acquired will be:
Path integral technique, regularisation and renormalisation. - Prerequisites
- Theoretical Physics.
- Teaching methods
- face to face
- Other information
- Learning verification modality
- oral exam
- Extended program
- Path integral technique. Evolution kernel. Generating functionals. Effective action.
Feynman graphs 1PI.
Dimensional Regularization. Renormalization. Superficial divergence. Applicability of renormalizaion techniques. Bare action and counterterms. Renormalization group trajectories. Beta function. Callan-Symanzik equation. Ward identities for QED. Non Abelian gauge theories and Slavnov Taylor relation.