Sumários

T10

8 abril 2021, 10:00 • João Paulo Ferreira da Silva

The Schrödinger, Heisenberg and Interaction pictures.
Summary of the second quantized free fields. The real and complex scalar fields.
The fermion field.
Bibliography: pgs. 133-142.

T9

6 abril 2021, 15:00 • João Paulo Ferreira da Silva

Compton scattering (just amplitudes). Feynman Rules for QED.
END of Chapter 3
Chapter 4: S-Matrix. Wick's Theorem. Feynman Rules
Review of Lagrangian density and equations of Euler-Lagrange.
Noether’s theorem; energy and momentum as conserved charges.
Bibliography: Complement 1.7; pgs. 106-115. PS:pgs. 15-19

T8

25 março 2021, 10:00 • João Paulo Ferreira da Silva

Cross section in CM frame (cont.).
Elastic electron-muon scattering in second order in perturbation theory.
Bibliography: pgs. 105-112.

T7

23 março 2021, 15:00 • João Paulo Ferreira da Silva

Coulomb scattering for electrons (cont.): Explicit spin sums in the helicity basis. Coulomb scattering for positrons.
2 -> 2 scattering and Mandelstam variables.
Elastic electron-muon scattering. Cross section in CM frame.
Bibliography: pgs. 98-106

T6

18 março 2021, 10:00 • João Paulo Ferreira da Silva

Chapter 3: Feynman Rules for QED
Photon propagator. Finite volume, normalization and delta functions.
Coulomb scattering for electrons.
Bibliography: pgs. 91-98.