Arrhenius plot for the edge and bulk resistance, R xx and R xx_bulk , at E = 0.485 V nm - 1 (above E c ). The symbols are the measurement result, and the lines are guides to the eye. To account for the difference in the measurement geometry, R xx_bulk is multiplied by a factor of 1.3 to match R xx in the high-temperature limit. At low temperatures, R xx is nearly quantized at (1/2)h/e^2 (dashed line).
