diff --git a/content/index.txt b/content/index.txt index ef60fd5f648bc1506d4ff10922776934cf498b13..5933ffccb5758d0a89f0d0e493a0853fd4cf3902 100644 --- a/content/index.txt +++ b/content/index.txt @@ -82,12 +82,13 @@ Quantum Hall effect .. image:: qhe-plateaus.png One of the most common applications of Kwant is to calculate the conductance of -a nonoelectronic system. The plot on the left shows the conductance through a +a nanoelectronic system. The plot on the left shows the conductance through a 2-d electron gas as a function of magnetic flux. The quantization of conductance that is visible (plateaus) is the hallmark of the quantum Hall -effect. The third plateau around 1 / Φ = 40 does not develop due to a -constriction in the system that leads to backscattering. The situation at this -value of magnetic field is shown on the right. +effect. The third plateau does not develop due to a constriction in the system +that leads to backscattering. The scattering wave function from the left lead +at magnetic field strength corresponding to the middle of the third QHE plateau +is shown on the right. Taken from example 6 of the `Kwant paper <http://downloads.kwant-project.org/doc/kwant-paper.pdf>`_.