Non-Abelian states with negative flux: a new series of quantum Hall states

Details Non-Abelian states with negative flux: a new series of quantum Hall states Non-Abelian states with negative flux: a new series of quantum Hall states

2007-05-11

arxiv.org/abs/0705.1619v1

Phys. Rev. Lett. 99, 036805 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.99.036805

By applying the idea of parafermionic clustering to composite bosons with positive as well as negative flux, a new series of trial wavefunctions to describe fractional quantum Hall states is proposed. These non-Abelian states compete at filling factors k/(3k +/- 2) with other ground states like stripes or composite fermion states. These two series contain all the states recently discovered by Pan et al. [Phys. Rev. Lett. 90, 016801 (2003)] including the even denominator cases. Exact diagonalization studies on the sphere and torus point to their possible relevance for filling factors 3/7, 3/11, and 3/8.

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