Thomsen, L. K.Wiseman, H. M.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1831310.17877/DE290R-12186enThe American Physical SocietyPhysical Review Letters530Reducing the Linewidth of an Atom Laser by Feedback10.1103/PhysRevLett.86.1143article (journal)