Wiktionary

Faddeev-Popov ghost

English edit

 
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Etymology edit

Named after Ludvig Faddeev and Victor Popov.

Noun edit

Faddeev-Popov ghost (plural Faddeev-Popov ghosts)

  1. (particle physics) An extraneous field introduced into gauge quantum field theories to maintain the consistency of the path integral formulation.

Synonyms edit

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