Sumários
Perturbation theory
11 Maio 2022, 11:00 • Luís Bento
Schrödinger, Heisen0berg and Dirac representations in quantum field theory. Perturbation theory. Application to the Yukawa interaction. Transition amplitude for the decay of a scalar boson into a pair fermion anti-fermion.
Quantum Dirac spinor
6 Maio 2022, 11:00 • Luís Bento
Two fermion states, antisymmetry under exchange of particles. Systems with constraints, Dirac brackets. Quantization of the Dirac spinor. Exercises with quantum scalar and electromagnetic fields.
Quantum electromagnetic field
4 Maio 2022, 11:00 • Luís Bento
Quantum electromagnetic field in vacuum. Photon creation and annhilation operators. Fock space, state internal products, identity partition.
Quantum electromagnetic field
29 Abril 2022, 11:00 • Luís Bento
Quantization of the electromagnetic field in the Coulomb gauge in ‘momentum’ and coordinate spaces.
Quantum scalar fields
27 Abril 2022, 11:00 • Luís Bento
Exercises about quantum real and complex scalar fields.