Fluctuations of conserved charges in hydrodynamics and molecular dynamics

Abstract

I present an overview of recent theoretical results on fluctuations of conserved charges in heavy-ion collisions obtained in relativistic hydrodynamics and molecular dynamics frameworks. In particular, I discuss the constraints on the location of the QCD critical point based on comparisons of experimental data on proton number cumulants with precision calculations of non-critical contributions. Recent developments on critical fluctuations in molecular dynamics simulations are covered as well.

Comments: 7 pages, 4 figures, contribution to the proceedings of Strangeness in Quark Matter 2022