Helmerson, KristianYou, Li2004-12-032004-12-0320012001http://hdl.handle.net/2003/136210.17877/DE290R-12348enThe American Physical SocietyPhysical Review Letters530Creating Massive Entanglement of Bose-Einstein Condensed Atoms10.1103/PhysRevLett.87.170402article (journal)