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Status of the Fermi surface in mixed composite boson - composite fermion quantum Hall states

M. V. Milovanovic
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Abstract

We argue that the naively expected singularities of the Fermi surface, in the mixed composite boson - composite fermion states proposed [S.H. Simon et al., PRL 91, 046803(2003)] for the evolution of ν= 1 bilayer quantum Hall system with distance, are obliterated. Our conclusion is based on a careful analysis of the momentum distribution in ν= 1/2 single-layer composite-fermion state. We point out to a possibility of the phenomenon hitherto unknown outside Kondo lattice systems when, in a translationally invariant system, Fermi-liquid-like portion of electrons enlarges its volume.

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M. V. Milovanovic. 2004-05-24. Status of the Fermi surface in mixed composite boson - composite fermion quantum Hall states. https://doi.org/10.1103/physrevb.70.085307

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