🌐EnglishEnglishDeutschEspañolPortuguêsРусский中文日本語EntityQ1936915· pop 5· linked from 24 articlesminimal couplingfield theory coupling of charge but not higher momentsAvailable in 5 languagesEspañolDeutschРусскийPortuguêsvia Wikidata sitelinks · CC0Connectionsgauge fixingEntityenergyEntityCategoriesGauge theoriesHamiltonian mechanicsLagrangian mechanics