We demonstrate experimentally that the transitions between adjacent integer quantum Hall (QH) states are equivalent to a QH-to-insulator transition occurring in the top Landau level, in the presence of an inert background of the other completely filled Landau levels, each contributing a single unit of quantum conductance, e2/h, to the total Hall conductance of the system.
@article{arxiv.cond-mat/9611011,
title = {A different view of the quantum Hall plateau-to-plateau transitions},
author = {D. Shahar and D. C. Tsui and M. Shayegan and E. Shimshoni and S. L. Sondhi},
journal= {arXiv preprint arXiv:cond-mat/9611011},
year = {2009}
}