Impact of vorticity and viscosity on the hydrodynamic evolution of hot QCD medium
Abstract
The strongly interacting transient state of quark-gluon plasma (QGP) medium created in ultra-relativistic collisions survives for a duration of a few fm/c. The spacetime evolution of QGP crucially depends on the equation of state (EoS), vorticity, viscosity, and external magnetic field. In the present study, we obtain the lifetime of a vortical QGP fluid within the ambit of relativistic second-order viscous hydrodynamics. We observe that the coupling of vorticity and viscosity significantly increases the lifetime of vortical QGP. The inclusion of a static magnetic field, vorticity, and viscosity makes the evolution slower. However, the static magnetic field slightly decreases the QGP lifetime by accelerating the evolution process for a non-rotating medium. We also report the rate of change of vorticity in the QGP, which will be helpful in studying the behavior of the medium in detail.
Keywords
Cite
@article{arxiv.2302.07668,
title = {Impact of vorticity and viscosity on the hydrodynamic evolution of hot QCD medium},
author = {Bhagyarathi Sahoo and Captain R. Singh and Dushmanta Sahu and Raghunath Sahoo and Jan-e Alam},
journal= {arXiv preprint arXiv:2302.07668},
year = {2023}
}
Comments
Same as the EPJC published version