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Nature of excitations of the 5/2 fractional quantum Hall effect
Csaba Toke, Nicolas Regnault, Jainendra K. Jain
It is shown, with the help of exact diagonalization studies on systems with up to sixteen electrons, in the presence of up to two delta function impurities, that the Pfaffian model…
Understanding the 5/2 Fractional Quantum Hall Effect without the Pfaffian Wave Function
Csaba Toke, Jainendra K. Jain
It is demonstrated that an understanding of the 5/2 fractional quantum Hall effect can be achieved within the composite fermion theory without appealing to the Pfaffian wave functi…
Fractional Quantum Hall Effect in Graphene
Csaba Toke, Paul E. Lammert, Jainendra K. Jain +1
Unlike regular electron spin, the pseudospin degeneracy of Fermi points in graphene does not couple directly to magnetic field. Therefore, graphene provides a natural vehicle to ob…