English

An upper critical dimension for dynamo action: A $d$-dimensional closure model study

Plasma Physics 2024-08-05 v1 Solar and Stellar Astrophysics Chaotic Dynamics

Abstract

We construct a dd-dimensional Eddy Damped Quasi-Normal Markovian (EDQNM) Closure Model to study dynamo action in arbitrary dimensions. In particular, we find lower dLd_L and upper dUd_U critical dimensions for sustained dynamo action in this incompressible problem. Our model is adaptable for future studies incorporating helicity, compressible effects and a wide range of magnetic Reynolds and Prandtl numbers.

Keywords

Cite

@article{arxiv.2408.01266,
  title  = {An upper critical dimension for dynamo action: A $d$-dimensional closure model study},
  author = {Sugan Durai Murugan and Giorgio Krstulovic and Dario Vincenzi and Samriddhi Sankar Ray},
  journal= {arXiv preprint arXiv:2408.01266},
  year   = {2024}
}

Comments

15 pages, 5 figures

R2 v1 2026-06-28T18:02:17.220Z