Clark, Noel A.Link, Darren R.Maclennan, Joseph E.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1902610.17877/DE290R-1761enThe American Physical SocietyPhysical Review Letters530Link, Maclennan, and Clark10.1103/PhysRevLett.86.4975article (journal)