Fermi-liquid effects in the transresistivity in quantum Hall double layers near $ν= 1/2 $

Details Fermi-liquid effects in the transresistivity in quantum Hall double layers near $ν= 1/2 $ Fermi-liquid effects in the transresistivity in quantum Hall double layers near $ν= 1/2 $

2007-04-02

arxiv.org/abs/0704.0246v1

JETP 98,1231 (2004)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 2 figures

Scientific paper

10.1134/1.1777636

Here, we present theoretical studies of the temperature and magnetic field dependences of the Coulomb drag transresistivity between two parallel layers of two dimensional electron gases in quantum Hall regime near half filling of the lowest Landau level. It is shown that Fermi-liquid interactions between the relevant quasiparticles could give a significant effect on the transresistivity, providing its independence of the interlayer spacing for spacings taking on values reported in the experiments. Obtained results agree with the experimental evidence.

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