lattice-bosons

Accompanying code for "Accurate neural quantum states for interacting lattice bosons" (https://arxiv.org/abs/2404.07869).

Content of the repository

• vmc.py: script for running a VMC simulation from a json file containing all hyperparameters.

• example.json: example of a parameter file for a 8x8 periodic lattice at unit filling.

• bnqs/: folder containing all classes relevant for simulating Bose Hubbard.

  • models/: folder containing the flax linen modules.
  • operators/: folder containing the definition of some custom jax operators.
  • sampler/: folder containing our custom Metropolis-Hastings rule.

Content of the repository

Quick example (8x8 at $U=8J$):

python vmc.py --jobid 1234 --parameters example.json