🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ1391812· pop 18· linked from 287 articlesFaddeev–Popov ghosttype of unphysical field in quantum field theory which provides mathematical consistencyConnectionsgauge theoryEntityHiggs bosonEntityCategoriesGauge theoriesQuantum chromodynamics