Removing cutoff artifacts in the NJL model by a Renormalization Group consistent treatment
High Energy Physics - Phenomenology
2025-09-01 v1 High Energy Astrophysical Phenomena
High Energy Physics - Theory
Nuclear Theory
Abstract
We summarize how a renormalization-group (RG)-consistent treatment removes well-known artifacts in NJL-model descriptions of color-superconducting quark matter. We introduce two RG-consistent schemes, "minimal" and "massless", and present analytic solutions for the diquark gap at and for the phase boundary in symmetric massless matter, representing the high-density limit of the model. We compare the pairing gaps, phase diagram, and speed of sound with results obtained using conventional regularization.
Cite
@article{arxiv.2508.21735,
title = {Removing cutoff artifacts in the NJL model by a Renormalization Group consistent treatment},
author = {Hosein Gholami and Marco Hofmann and Michael Buballa},
journal= {arXiv preprint arXiv:2508.21735},
year = {2025}
}
Comments
4 pages, 2 figures, Contribution to Quark Matter 2025 proceedings