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https://github.com/lukas-weber/stochasticseriesexpansion.jl

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Host: GitHub
URL: https://github.com/lukas-weber/stochasticseriesexpansion.jl
Owner: lukas-weber
License: mit
Created: 2023-04-07T01:17:30.000Z (over 1 year ago)
Default Branch: main
Last Pushed: 2024-03-08T18:58:57.000Z (10 months ago)
Last Synced: 2024-10-13T22:35:58.243Z (3 months ago)
Language: Julia
Size: 294 KB
Stars: 8
Watchers: 3
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE

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README

        # StochasticSeriesExpansion

[![Docs dev](https://img.shields.io/badge/docs-latest-blue.svg)](https://lukas.weber.science/StochasticSeriesExpansion.jl/dev/)

[![Docs stable](https://img.shields.io/badge/docs-stable-blue.svg)](https://lukas.weber.science/StochasticSeriesExpansion.jl/stable/)

[![CI](https://github.com/lukas-weber/StochasticSeriesExpansion.jl/actions/workflows/main.yml/badge.svg)](https://github.com/lukas-weber/StochasticSeriesExpansion.jl/actions/workflows/main.yml)

[![codecov](https://codecov.io/gh/lukas-weber/StochasticSeriesExpansion.jl/graph/badge.svg?token=A0X9300H5S)](https://codecov.io/gh/lukas-weber/StochasticSeriesExpansion.jl)

This is a state-of-the-art implementation of the stochastic series expansion quantum Monte Carlo (QMC) algorithm [[1]](#1) with abstract loop updates [[2]](#2), which allow

the efficient simulation of many different bosonic lattice models in different computational bases using the same code.

StochasticSeriesExpansion is aimed both at

* **Nonspecialists** who want to produce unbiased QMC data for comparison against experiments or other methods,

and

* **Specialists** who want to extend it to study novel models and phenomena.

Out of the box, it can simulate common quantum magnet Hamiltonians, but it can be easily extended to arbitrary models by providing a bond Hamiltonian matrix.

It is built on the [Carlo](https://github.com/lukas-weber/Carlo.jl.git) framework.

## Getting started

To start, install Carlo.jl and StochasticSeriesExpansion.jl in Julia

```julia

using Pkg

Pkg.add("Carlo")

Pkg.add("StochasticSeriesExpansion")

```

## References

[1] A. W. Sandvik, Phys. Rev. B **59**, R14157(R) (1999)

[2] L. Weber, A. Honecker, B. Normand, P. Corboz, F. Mila, S. Wessel, SciPost Phys. **12**, 054 (2022)