How Do I implement fermionic parity?

[Rodriguez1]

Hi, I'm new to the forum.
I'm currently working on the Kitaev chain, and introducing fermionic parity symmetry would be very useful to speed up my code, but I'm not sure how to do it.
Could somebody give me an idea?

[Jakob]

See https://tenpy.readthedocs.io/en/latest/ ... igner.html

If you use FermionSite, it is probably enough to just put conserve=“parity“ in your model parameters