itensors 0.1.3

Python port of the ITensors framework

[!WARNING] This project is an independent Python Port of the Julia project, still in its early stages. We are not officially affiliated with the Flatiron Institute nor the authors of ITensor.

Useful commands

Installing he package

With pip:

pip install itensors

With poetry

poetry add itensors

Setting up a development environment

After cloning the repo, run locally:

poetry install

Running tests

After insuring testing dependencies are installed by running poetry install --all-extras, you can run tests via

pytest

Publish new version to PyPI

After updating the relevant version number on pyproject.toml, run the command below

poetry publish --build

Design choices

We follow the ideology of the original ITensor paper. In this section, we specify Python implementation choices, hopefully making the code clearer to follow. Feedback and questions are welcomed

Structs

The key structures used are ITensor, Index, and TensorNetwork. We collocate these base structures under a single itensors/struct.py file.