Oppen, Felix vonSimon, Steven H.Stern, Ady2004-12-032004-12-0320012001http://hdl.handle.net/2003/97510.17877/DE290R-10801enThe American Physical SocietyPhysical Review Letters530Oscillating Sign of Drag in High Landau Levels10.1103/PhysRevLett.87.106803article (journal)