Anyon superconductivity at rational statistics

Gaitonde, D. M. ; Rao, Sumathi (1991) Anyon superconductivity at rational statistics Physical Review B: Condensed Matter and Materials Physics, 44 (2). Article ID 929(R). ISSN 2469-9950

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We study the anyon gas with repulsive interactions at θ = π(1-1/ν), where ν is a fractional-quantum-Hall-effect filling fraction, using Jain’s composite-fermion and decomposition-of-fermion techniques. In the first case, the anyon gas forms a superconducting state, which, however, is the same as the state that occurs at ν = m, where m is an integer, with no repulsive interactions. In the second approach, the anyon gas forms correlated states that are superconducting at ν−1 = ΣpI = 1/mI, with p an odd integer and mI an integer.

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