Scheda programma d'esame
QUANTUM FIELDS AND TOPOLOGY
ENORE GUADAGNINI
Anno accademico2019/20
CdSFISICA
Codice328BB
CFU6
PeriodoSecondo semestre
LinguaItaliano
CdSFISICA
Codice328BB
CFU6
PeriodoSecondo semestre
LinguaItaliano
Moduli | Settore/i | Tipo | Ore | Docente/i | |
QUANTUM FIELDS AND TOPOLOGY | FIS/02 | LEZIONI | 36 |
|
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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