🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiTürkçeРусский한국어中文日本語EntityQ1547975· pop 10· linked from 23 articlesMermin–Wagner theoremtheorem about the impossibility of spontaneous symmetry breaking in two-dimensional systems at finite temperatureConnectionsspontaneous symmetry breakingEntityGoldstone bosonEntityCategoriesNo-go theoremsPhysics theoremsQuantum field theoryStatistical mechanics theoremsTheorems in mathematical physicsTheorems in quantum mechanics