Wick&d is a python library that implements the algebra of second quantization for fermionic systems. Wick&d implements Wick's contraction theorem for general Fermi vacua.

To install Wick&d, clone this repository (including its submodule pybind11) and compile it using the pip install command:

git clone --recurse-submodules https://github.com/fevangelista/wickd.git
cd wickd
pip install --no-build-isolation -ve .

To learn how to use Wick&d start from the jupyter tutorials. There are also a few examples of ways to use Wick&d in the examples directory.