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

Abstract

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.

5 pages, 2 figures

References in corpus (8)

• Coulomb drag between disordered two-dimensional electron gas layers
• Coulomb Drag in Normal Metals and Superconductors: Diagrammatic Approach
• Finite-Wavevector Electromagnetic Response of Fractional Quantized Hall States
• Coulomb Drag in the Extreme Quantum Limit
• Coulomb drag in compressible quantum Hall states
• Coulomb drag in double layer electron systems at even denominator filling factors
• Oscillating sign of drag in high Landau levels
• Theory of Magneto--Acoustic Transport in Modulated Quantum Hall Systems Near $\nu =1/2$