Walecka, John Dirk2018-10-312018-10-3120102010http://196.43.179.3:8080/xmlui/handle/123456789/7961.Introduction; 2.Quantum mechanics (revisited); 3.Angular momentum; 4.Scattering theory; 5.Lagrangian field theory; 6.Symmetries; 7.Feynman rules; 8.Quantum Electrodynamics(QED); 9.High-order processes; 10.Path integralsen-USBook