FrayedEnds is a framework that discretizes continuous quantum systems and transforms their continuous Hamiltonians into an optimal second quantized form through adaptive orbital optimization. Fast and accurate calculations are performed using a Multi-Resolution-Analysis representation (implemented with MADNESS).

This website contains some hands-on examples using FrayedEnds.

The main sections of this website are:

a wide collection of tutorials for getting to know FrayedEnds’s basic functionalities and general usage

Contribute

FrayedEnds is free and open source. You’re welcome to contribute if you have ideas to improve the library. The standard way to contribute is via pull-requests. For larger projects it might be useful to let us know in advance what you are planning.