New posts in Ghosts

Questions about BRST formalism and BV formalism

Why don't high-energy experimentalists ever include Faddeev-Popov ghosts in their Feynman diagrams?

Why Faddeev-Popov ghost cannot exist in external line?

Why do negative norm states break unitarity?

$bc$ CFT Energy-momentum tensor from Noether's theorem

Path integral quantization of bosonic string theory