Detailed Programme of the Week 11/4/2019 -- 11/08/2019:

-- Canonical Quantization

LECT 24 -- Monday 11/4/2019 - 2h Bonciani 12:00-14:00 (Majorana)

Non homogeneous equations and Green's functions. Retarded, advanced Green's functions. Causal Green's function and Feynman's propagator for the Klein-Gordon field.

LECT 25 -- Tuesday 11/5/2019 - 2h Bonciani 9:00-11:00 (Conversi)

Covariant form. Propagator as the vacuum expectation value of T-ordered product of two fields. Feynman's propagator for the spinor field and for the electromagnetic field. Classical interaction of a point-like particle with the electromagnetic field. Minimal substitution.

LECT 26 -- Wednesday 11/6/2019 - 2h Bonciani 10:00-12:00 (Conversi)

Electromagnetic interaction of fields and lagrangian density. Gauge transformation and Gauge Principle. Quantization of the interaction lagrangian. Non derivative interactions. Scattering matrix. Interaction representation.

Ricevimento -- Wednesday 11/6/2019 - 12:00-13:00 (uff)

LECT 27 -- Thursday 11/7/2019 - 2h Bonciani 8:00-10:00 (Majorana)

Time-dependent perturbation theory and Dyson's formula. Unitarity and Lorents invariance of the scattering matrix. Properties of the time-ordered exponential. Wick's theorem.