Four-dimensional QCD equation of state at finite chemical potentials
Abstract
Exploration of the QCD phase diagram is pivotal in particle and nuclear physics. We construct a full four-dimensional equation of state of QCD with net baryon, electric charge, and strangeness by extending the NEOS model beyond the conventional two-dimensional approximation. Lattice QCD calculations based on the Taylor expansion method and the hadron resonance gas model are considered for the construction. We also develop an efficient numerical method for applying the four-dimensional equation of state to relativistic hydrodynamic simulations, which can be used for the analysis of nuclear collisions at beam energy scan energies and for different nuclear species at the BNL Relativistic Heavy Ion Collider.
Keywords
Cite
@article{arxiv.2503.03566,
title = {Four-dimensional QCD equation of state at finite chemical potentials},
author = {Akihiko Monnai and Grégoire Pihan and Björn Schenke and Chun Shen},
journal= {arXiv preprint arXiv:2503.03566},
year = {2025}
}
Comments
9 pages, 4 figures; Proceedings of the XVIth Quark Confinement and the Hadron Spectrum Conference (QCHSC24), August 18-24, 2024, Cairns, Australia