KnowraPaul EhrenfestLinked fromLinked fromThe 3 pages that link to Paul Ehrenfest, each with the reason it gives.All 3Broader topic 1Related 2Hendrik CasimirRelated: Ehrenfest’s Leiden circle shaped Casimir’s early scientific environment.Adiabatic invariantRelated: Ehrenfest formulated the principle linking classical adiabatic invariants with quantum conditions.Ehrenfest theoremBroader topic: He formulated the result in 1927 while examining quantum-classical correspondence.