Home›Browse›perturbation theory🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ911364· pop 23· linked from 289 articlesperturbation theorySign in to saveAlso known as quantum mechanics perturbation theoryquantum mechanicsAvailable in 18 languagesFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةCatalanGreekHebrewMalayNorwegianSvenskaTiếng ViệtUkrainianفارسی한국어via Wikidata sitelinks · CC0