Composite Fermion Hall Conductance at ν=1/2

1996/07/22 by D-H Lee, Y. Krotov, Lee, D-H +5
Physics and Astronomy · #Condensed Matter (cond-mat) #FOS: Physical sciences #cond-mat

paper · pdf · doi:10.48550/arxiv.cond-mat/9607153

9 pages, RevTeX, 4 PS figures

arxiv created 1996/07/22 · arxiv updated 2009/11/30

Abstract

We show that in the limit of vanishing bare electron effective mass, and in the presence of particle-hole symmetric disorder (which can be of vanishing strength), the composite fermion Hall conductance is constrained to be -1\over 2(e²)/(h). We discuss the implications of this results for the existence and nature of a composite Fermi liquid in the lowest Landau level.

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