This code shows a Bohmian particle in a double slit experiment. To use it, you need numpy, matplotlib and cython. Pull the code and do
python setup.py build_ext --inplace
and it should work. Inspired heavily by this blog post of Thomas Bronzwaer
I also wrote a blog post on this.
The walls are a bunch of gaussians next to each other to avoid the numerical problems of sharp-edge potentials.