Quantum Hall effect at low magnetic fields due to electron-electron interaction: A Comment on cond-mat/9906450 (published in Phys. Rev. Lett. 84, 3141 (2000))

Details Quantum Hall effect at low magnetic fields due to electron-electron interaction: A Comment on cond-mat/9906450 (published in Phys. Rev. Lett. 84, 3141 (2000)) Quantum Hall effect at low magnetic fields due to electron-electron interaction: A Comment on cond-mat/9906450 (published in Phys. Rev. Lett. 84, 3141 (2000))

2000-09-14

arxiv.org/abs/cond-mat/0009210v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

1 page, submitted to Phys. Rev. Lett

Scientific paper

In a recent preprint cond-mat/9906450 (published in PRL 84, 3141 (2000)) Bodo Huckestein showed that at real experimental conditions it is not possible to observe the quantum Hall effect (QHE) at $\omega_{c}\tau <1$ predicted by Khmelnitskii ($\omega_{c}=eB/m$ is the cyclotron frequency and $\tau $ is the scattering time). We would like to point out here that in fact the situation is not so hopeless due to the influence of the electron-electron interaction.

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