🌐EnglishEnglishРусский日本語EntityQ4327976· pop 5· linked from 7 articlesZero soundCollective excitation in a Fermi liquidAvailable in 5 languages日本語РусскийCatalanUkrainianvia Wikidata sitelinks · CC0ConnectionsFermi liquidEntitysoundEntityCategoriesCondensed matter physicsLev LandauStatistical mechanics