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  • Title: Incompressible paired hall state, stripe order, and the composite fermion liquid phase in half-filled landau levels.
    Author: Rezayi EH, Haldane FD.
    Journal: Phys Rev Lett; 2000 May 15; 84(20):4685-8. PubMed ID: 10990771.
    Abstract:
    We consider the two lowest Landau levels at half filling. In the higher Landau level (nu = 5/2), we find a first-order phase transition separating a compressible striped phase from a paired quantum Hall state, which is identified as the Moore-Read state. The critical point is very near the Coulomb potential and the transition can be driven by increasing the width of the electron layer. We find a much weaker transition (either second-order or a crossover) from pairing to the composite fermion Fermi-liquid behavior. A very similar picture is obtained for the lowest Landau level, but the transition point is not near the Coulomb potential.
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