Gapped excitations of unconventional fractional quantum Hall effect states in the second Landau level

Gapped excitations of unconventional fractional quantum Hall effect states in the second Landau level
U. Wurstbauer, A. L. Levy, A. Pinczuk, K. W. West, L. N. Pfeiffer, M. J. Manfra, G. C. Gardner, and J. D. Watson. Physical Review B 92, 241407 [PDF]