Home›Mathematical physics›perturbation theory🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ911364· pop 23· linked from 289 articlesperturbation theoryAlso known as quantum mechanics perturbation theoryquantum mechanicsAvailable in 18 languagesFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةCatalanGreekConnectionsmathematicsEntityquantum mechanicsEntityCategoriesMathematical physicsPerturbation theory