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Welcome to Quantum Wells, Wires and Dots (QWWAD): a set of tools for simulating semiconductor nanostructures.
You can get started by following these links:
We provide ready-made packages for Ubuntu Linux and strongly recommend getting hold of QWWAD this way.
The software should work on most other UNIX-based operating systems though. We can't offer detailed support for every possible platform, but we give some general guidance that should work for most people.
- Installing on Ubuntu (the easy, recommended way!)
- Installing from a package
The best way to get started with QWWAD is to run the examples scripts. These scripts allow you to generate the data for most of the figures in our textbook:
P. Harrison and A. Valavanis, "Quantum Wells, Wires and Dots", 4th Ed. Wiley, Chichester (2015).
Once you're happy with the behaviour of a script, we encourage you to experiment by modifying it and testing the results.
The example scripts allow you to perform a wide range of common tasks quickly and easily, but QWWAD is capable of much more general, widely applicable tasks. By using the programs directly, you can simulate your favourite weird materials, custom-made devices and operating conditions and output whichever chunk of data you like.
The QWWAD programs are designed to fit together nicely, to build up complete simulations of devices and nanostructures. The [Example Scripts] provide useful examples for simple cases, but QWWAD can be used for much more detailed simulations of complex systems. These case studies provide some useful examples:
Some of the functionality of QWWAD is made accessible to other programs through our API. For example, you can easily add our Schroedinger solvers into your own open-source C++ program with just a couple of simple lines of code.
Please let us know if you experience any problems!
Our bug tracker is located at https://bugs.launchpad.net/qwwad
Alternatively, if you just want general help and advice with QWWAD, please use https://answers.launchpad.net/qwwad
We're very keen to receive contributions from other developers! If you have fixed a bug or can provide a new feature, please see our Developer guide.