11. General theory of fields and particles (see also 03.65 Quantum mechanics,03.70 Theory of quantized fields) ( 0 Dok.)

• 11.10.-z Field theory (for gauge field theories, see 11.15) ( 0 Dok. )

• 11.15.-q Gauge field theories ( 0 Dok. )

• 11.25.-w Theory of fundamental strings ( 0 Dok. )

• 11.27.+d Extended classical solutions; cosmic strings, domain walls, texture (see also 98.80.C in cosmology) ( 0 Dok. )

• 11.30.-j Symmetry and conservation laws (see also 02.20 Group theory) ( 0 Dok. )

• 11.40.-q Currents and their properties ( 0 Dok. )

• 11.55.-m S-matrix theory; analytic structure of amplitudes ( 0 Dok. )

• 11.80.-m Relativistic scattering theory ( 0 Dok. )

• 11.90.+t Other topics in general theory of fields and particles (restricted to new topics in section 11) ( 0 Dok. )