## 11.00.00 General theory of fields and particles (see also 03.65.-w Quantum mechanics and 03.70.+k Theory of quantized fields)

- 11.10.-z Field theory (for gauge field theories, see 11.15.-q) (2)
- 11.15.-q Gauge field theories
- 11.25.-w Strings and branes (for cosmic strings, see 98.80.Cq in cosmology; see also 11.27.+d Extended classical solutions; cosmic strings, domain walls, texture) (2)
- 11.27.+d Extended classical solutions; cosmic strings, domain walls, texture (see also 98.80.Cq in cosmology; 11.25.-w Strings and branes) (1)
- 11.30.-j Symmetry and conservation laws (see also 02.20.-a Group theory)
- 11.40.-q Currents and their properties
- 11.55.-m S-matrix theory; analytic structure of amplitudes (1)
- 11.80.-m Relativistic scattering theory (2)
- 11.90.+t Other topics in general theory of fields and particles (restricted to new topics in section 11)