🌐فارسیEnglishDeutschEspañolItalianoPortuguêsРусскийالعربيةفارسی한국어中文日本語EntityQ678317· pop 14· linked from 60 articlesحالت فاکAlso known as number statea quantum state that is an element of a Fock space with a well-defined number of particles (or quanta)Available in 14 languagesEspañolDeutsch日本語РусскийPortuguêsItalianoالعربيةCatalanHebrewSlovenianUkrainianConnectionsbosonEntityfermionEntityCategoriesQuantum field theoryQuantum optics