Abstract
We find that the transport coefficients and of two-dimensional electrons in InGaAs/InP show a characteristic power-law dependence on . In the range , the maximum of diverges like with , for Landau levels , , and , and the half-width for vanishes as . These results confirm the prediction of the scaling theory that the characteristic power-law behavior in the transport coefficients is a universal feature of delocalization in the integral quantum Hall effect.
- Received 26 February 1988
DOI:https://doi.org/10.1103/PhysRevLett.61.1294
©1988 American Physical Society