2. Lagrange formalism. Symmetries and gauge fields

Chapters in this book

1. Frontmatter I
2. Preface VII
3. Contents IX
4. 1. Basics of elementary particles 1
5. 2. Lagrange formalism. Symmetries and gauge fields 9
6. 3. Canonical quantization, symmetries in quantum field theory 43
7. 4. The Feynman theory of positron and elementary quantum electrodynamics 103
8. 5. Scattering matrix 125
9. 6. Invariant perturbation theory 135
10. 7. Exact propagators and vertices 171
11. 8. Some applications of quantum electrodynamics 191
12. 9. Path integrals and quantum mechanics 227
13. 10. Functional integrals: scalars and spinors 247
14. 11. Functional integrals: gauge fields 303
15. 12. The Weinberg–Salam model 319
16. 13. Renormalization 347
17. 14. Nonperturbative approaches 383
18. Bibliography 425
19. Index 429