Sumários

T26

30 maio 2019, 10:00 • João Paulo Ferreira da Silva

Finite contributions from the renormalization: running coupling constant; cancelling of infrared divergence in Coulomb scattering; anomalous magnetic moment of the electron.
END of Chapter 7
Summary of course.
Bibliography: pgs. 298-307

T25

28 maio 2019, 15:00 • João Paulo Ferreira da Silva

Power counting. Renormalizable theories.
Bibliography: pgs. 294-298

T24

23 maio 2019, 10:00 • João Paulo Ferreira da Silva

Self-energy of the electron (cont.).
Renormalization of the vertex in QED.
Bibliography: pgs. 280-294

T23

21 maio 2019, 15:00 • João Paulo Ferreira da Silva

Self-energy of the photon (cont.). Counterterms and renormalization.
1-loop renormalization: Self-energy of the electron.
Bibliography: pgs. 280-294

T22

16 maio 2019, 10:00 • João Paulo Ferreira da Silva

Feynman parameterization, completing the square, momentum shift. A simple application.
The concept of renormalization; a toy example. Multiplicative renormalization versus counterterms.
1-loop renormalization: Self-energy of the photon (vacuum polarization).
Bibliography: pgs. 274-280.