Scheda programma d'esame
QUANTUM FIELDS AND TOPOLOGY
ENORE GUADAGNINI
Anno accademico2019/20
CdSFISICA
Codice328BB
CFU6
PeriodoSecondo semestre
LinguaItaliano

ModuliSettore/iTipoOreDocente/i
QUANTUM FIELDS AND TOPOLOGYFIS/02LEZIONI36
ENORE GUADAGNINI unimap
Programma non disponibile nella lingua selezionata
Syllabus

General aspects of perturbative quantum field theory (QFT). Example of cross section computation. Generating functionals in QFT. Action of Chern-Simons for abelian and non-abelian theories. General covariance, BRS gauge fixing, derivation of the Feynman propagator, Gauss linking number, gauge invariance, Wess-Zumino term. Basic definitions of knot theory, link poynomials, framed links. Gauge variables, holonomy, Wilson line operators. CS expectation values of holonomies associated with links. Skein relation, abelian and non-abelian link invariants obtained in the CS theory.   Surgery on 3-manifolds. 

Ultimo aggiornamento 27/08/2019 16:05