Multicomponent fractional quantum Hall effect in graphene

Publication information:

Dean CR, Young AF, Cadden-Zimansky P, Wang L, Ren H, Watanabe K, Taniguchi T, Kim P, Hone J, Shepard KL. Multicomponent fractional quantum Hall effect in graphene.
Nature Physics. Springer Science and Business Media LLC; 2011;7(9):693–696.