fixes to index

content/index.txt

@@ -3,8 +3,9 @@ Quantum transport simulations made easy
 
 Kwant is a Python package for numerical calculations on tight-binding models
 with a strong focus on quantum transport.  It is designed to be flexible and
-easy to use.  Thanks to innovative algorithms, Kwant is often faster than codes
-written in pure FORTRAN or C/C++.
+easy to use.  Thanks to the use of innovative algorithms, Kwant is often faster
+than other available codes, even those entirely written in the low level
+languages FORTRAN and C/C++.
 
 Tight-binding models can describe a vast variety of systems and phenomena in
 quantum physics.  Therefore, Kwant can be used to simulate metals, graphene,
@@ -13,8 +14,8 @@ molecular electronics, any combination of the above, and many other things.
 
 Kwant does not use the traditional input files often found in scientific
 software packages. Instead, one writes short programs in the powerful yet
-easy-to-learn language Python that define the system and calculate its quantum
-properties (conductance, density of states, etc). This workflow can be
+easy-to-learn Python language.  These programs define a system and calculate its
+quantum properties (conductance, density of states, etc).  This workflow can be
 summarized as follows:
 
 .. image:: kwant-workflow.svgz
@@ -59,7 +60,7 @@ is::
 Next to the flake itself, the image also shows the wave function of a low energy
 eigenstate. The size of each circle is proportional to the wave function
 probability amplitude on that site.  It can be clearly seen that the wave
-function is peaked near the zigzag segments of the boundary, as can be `expected
+function is peaked near the zigzag segments of the boundary, as `expected
 <http://arxiv.org/abs/1003.4602>`_ for graphene quantum dots.
 
 Taken from the Kwant `plotting tutorial <doc/1.0/tutorial/tutorial6.html>`_.
@@ -78,7 +79,7 @@ The red region is a tunnel barrier, used to measure tunneling conductance, the
 blue region is a superconducting electrode.  In this simulated device, a
 Majorana bound state appears close to the superconducting-normal interface.
 
-Taken from: S. Mi, A. R. Akhmerov, M. Wimmer (to be published).
+Taken from an unpublished work by S. Mi, A. R. Akhmerov, and M. Wimmer.
 
 
 Numerical experiment: flying qubit
@@ -96,10 +97,9 @@ reproduced.  Such "numerical experiments" can not only be used to interpret the
 experimental data but also can help to design the sample geometry and in to
 choose the right materials.
 
-Taken from T. Bautze et al., to be submitted to Phys. Rev. B.  See Yamamoto et
-al., `Nature Nanotechnology 7, 247 (2012)
-<http://dx.doi.org/doi:10.1038/nnano.2012.28>`_ for details about the
-experiment.
+Taken from an unpublished work by T. Bautze et al.  See Yamamoto et al., `Nature
+Nanotechnology 7, 247 (2012) <http://dx.doi.org/doi:10.1038/nnano.2012.28>`_ for
+details about the experiment.
 
 
 conductance of a Corbino disk in a quantum Hall regime