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Detailed Programme of the Week 12/13/2021 -- 12/17/2021:
-- Interactions
LECT 55-56 -- Tuesday 12/14/2021 - 2h
Bonciani 14:00-16:00 (Conversi)
meet.google.com/szf-gndu-pwc
Scattering matrix. Interaction
representation. Time-dependent perturbation
theory and Dyson's formula. Unitarity and Lorentz
invariance of the scattering matrix. Properties of the
time-ordered exponential. Wick's theorem. Time
ordered product of 2, 3, 4 fields. Bosonic and fermionic
fields.
LECT 57-58 -- Thursday 12/16/2021 - 2h Bonciani
14:00-16:00 (Conversi)
meet.google.com/szf-gndu-pwc
Time-ordered product of normal
ordered fields. Evaluation of the scattering
matrix at the first order in QED. Building
blocks, vertex interactions. Evaluation
of the scattering matrix at the second order
in QED. One-contraction contributions:
electron Compton scattering, positron
Compton scattering, pair creation and pair
annihilation, Moller scattering.
LECT
59 -- Friday 12/17/2021 - 1h Bonciani
8:00-9:00 (Majorana) meet.google.com/rkn-mafj-mra
Bhabha scattering. Two-contraction contributions: electron and
positron self-energy, vacuum polarization of the photon.