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About

Source code for the article PhysRevD.108.063521, available for free at arXiv:2396.10186, entitled "Testing Λ-free f(Q) Cosmology".

This study relies on previous published work, which is available at jpmvferreira/forecasting-FQ-cosmology-with-SS.

Table of contents

Repository outline

  • /analyzed: Includes processed data, mainly plots.
  • /aux: Auxiliary scripts to aid in analysis or in automation. . /config: The configuration files used for the command line interface of the Stan programming language, cmdstan.
  • /data: The real and mock datasets with the values of the shift parameters.
  • /jobs: Bash scripts to run the MCMC's locally or via the slurm workload manager.
  • /model: The cosmological models to be constrained using cmdstan.
  • /output: The output of the MCMC's (chains, plots, diagnostics, and backup of the data+model+config used).
  • /venv: The virtual environment used to carry out our analysis.

Virtual environment

To replicate the virtual environment start by cloning this repository locally using git to a specific folder (using "shift-params" as an example):

$ git clone https://github.com/jpmvferreira/testing-L-free-fQ-cosmology shift-params

Use conda (or any other compatible package manager) to create a new virtual environment from the file shift-params/venv/environment.yml, which the default name is "msc" and is enconded on the file:

$ conda env create -f fqgw/venv/environment.yml

Activate the newly created environment:

$ conda activate msc

Use pip to install all Python packages listed in fqgw/venv/environment.yml:

$ pip install -r shift-params/venv/requirements.txt

Citation

If you used any of the contents available in this repository, or found it useful in any way, you can cite it using the following BibTeX entry:

@article{Ferreira2023,
  title = {Testing $\Lambda$-free $f(Q)$ cosmology},
  author = {Ferreira, Jos\'e and Barreiro, Tiago and Mimoso, Jos\'e P. and Nunes, Nelson J.},
  journal = {Phys. Rev. D},
  volume = {108},
  issue = {6},
  pages = {063521},
  numpages = {9},
  year = {2023},
  month = {Sep},
  publisher = {American Physical Society},
  doi = {10.1103/PhysRevD.108.063521},
  url = {https://link.aps.org/doi/10.1103/PhysRevD.108.063521}
}

Feedback

Any discussion, suggestions or bug reports are always welcome. To do so, feel free to use this issue section in this repository or send me an email at:

License

All of the contents provided in this repository are available under the MIT license.

For further information, refer to the file LICENSE.md provided in this repository.