Dennis, B. S.Kang, MoonsooPfeiffer, L. N.Pinczuk, A.West, K. W.2004-12-272004-12-2720012001http://hdl.handle.net/2003/1922110.17877/DE290R-8538enThe American Physical SocietyPhysical Review Letters530Observation of Multiple Magnetorotons in the Fractional Quantum Hall Effect10.1103/PhysRevLett.86.2637article (journal)