English

Renormalisation Group approach to pandemics as a time-dependent SIR model

Physics and Society 2021-03-17 v1 Populations and Evolution

Abstract

We generalise the epidemic Renormalisation Group framework while connecting it to a SIR model with time-dependent coefficients. We then confront the model with COVID-19 in Denmark, Germany, Italy and France and show that the approach works rather well in reproducing the data. We also show that a better understanding of the time dependence of the recovery rate would require extending the model to take into account the number of deaths whenever these are over 15% of the total number of infected cases.

Keywords

Cite

@article{arxiv.2007.11296,
  title  = {Renormalisation Group approach to pandemics as a time-dependent SIR model},
  author = {Michele Della Morte and Francesco Sannino},
  journal= {arXiv preprint arXiv:2007.11296},
  year   = {2021}
}

Comments

9 pages, 5 figures

R2 v1 2026-06-23T17:18:33.472Z