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Quantum theory in terms of path integrals
Quantization of the YangMills field
4 other sections not shown
action additional already analogous appear applied arbitrary assume asymptotic calculated chapter charge choice completely condition consider constant constructed contains corresponding counterterms covariant currents defined definition depend derivatives described diagrams difference discussed divergent equal equations equivalent example exist expansion expression external factor Feynman fictitious Figure finite formula framework gauge gauge fields gauge transformations gauge-invariant given Green functions Hamiltonian independent interaction introduced invariant involved Lagrangian leads limit lines Lorentz mass matrix means method necessary normal Note obtain operator particles pass path integral performed perturbation theory physical possible present principle procedure propagator quantum quantum mechanics reasoning regularization relation remaining removed renormalized representation represented respect result S-matrix satisfy scalar field solution space spinor substitution subtraction symmetry transformations values variables vector Ward identities weak Yang-Mills field zero