ddd - Gauge Theories 1 quantum electrodynamics QED 2 - 3 Lagrangian of a free Dirac field 4 - 5 - 6 field strength - Lagrangian of QED: interaction gauge theory 8 e 9 - fine-structure…
ddd - Gauge Theories 1 quantum electrodynamics QED 2 - 3 Lagrangian of a free Dirac field 4 - 5 - 6 field strength - Lagrangian of QED: interaction gauge theory 8 e 9 - fine-structure…